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452790030 = 235711316323
BaseRepresentation
bin11010111111010…
…000011100001110
31011120000010011010
4122333100130032
51411403240110
6112532510050
714135436360
oct3277203416
91146003133
10452790030
11212651940
1210777b326
1372a658c4
14441c6d30
1529b40020
hex1afd070e

452790030 has 128 divisors (see below), whose sum is σ = 1398767616. Its totient is φ = 91036800.

The previous prime is 452789993. The next prime is 452790047. The reversal of 452790030 is 30097254.

It is a super-2 number, since 2×4527900302 = 410037622534801800, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a self number, because there is not a number n which added to its sum of digits gives 452790030.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 68449 + ... + 74771.

It is an arithmetic number, because the mean of its divisors is an integer number (10927872).

Almost surely, 2452790030 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 452790030, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (699383808).

452790030 is an abundant number, since it is smaller than the sum of its proper divisors (945977586).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

452790030 is a wasteful number, since it uses less digits than its factorization.

452790030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6382.

The product of its (nonzero) digits is 7560, while the sum is 30.

The square root of 452790030 is about 21278.8634564913. The cubic root of 452790030 is about 767.8898937474.

The spelling of 452790030 in words is "four hundred fifty-two million, seven hundred ninety thousand, thirty".

Divisors: 1 2 3 5 6 7 10 11 14 15 21 22 30 31 33 35 42 55 62 66 70 77 93 105 110 154 155 165 186 210 217 231 310 330 341 385 434 462 465 651 682 770 930 1023 1085 1155 1302 1705 2046 2170 2310 2387 3255 3410 4774 5115 6323 6510 7161 10230 11935 12646 14322 18969 23870 31615 35805 37938 44261 63230 69553 71610 88522 94845 132783 139106 189690 196013 208659 221305 265566 347765 392026 417318 442610 486871 588039 663915 695530 973742 980065 1043295 1176078 1327830 1372091 1460613 1960130 2086590 2156143 2434355 2744182 2921226 2940195 4116273 4312286 4868710 5880390 6468429 6860455 7303065 8232546 10780715 12936858 13720910 14606130 15093001 20581365 21561430 30186002 32342145 41162730 45279003 64684290 75465005 90558006 150930010 226395015 452790030