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42772002 = 23721319231
BaseRepresentation
bin1010001100101…
…0011000100010
32222111001011020
42203022120202
541422201002
64124430310
71026361500
oct243123042
988431136
1042772002
1122164269
12123a8396
138b274a0
145975670
153b4d2bc
hex28ca622

42772002 has 144 divisors (see below), whose sum is σ = 116750592. Its totient is φ = 10342080.

The previous prime is 42771997. The next prime is 42772003. The reversal of 42772002 is 20027724.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42772003) by changing a digit.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 1379727 + ... + 1379757.

It is an arithmetic number, because the mean of its divisors is an integer number (810768).

Almost surely, 242772002 is an apocalyptic number.

42772002 is a gapful number since it is divisible by the number (42) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 42772002, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (58375296).

42772002 is an abundant number, since it is smaller than the sum of its proper divisors (73978590).

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

42772002 is a wasteful number, since it uses less digits than its factorization.

42772002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 101 (or 75 counting only the distinct ones).

The product of its (nonzero) digits is 1568, while the sum is 24.

The square root of 42772002 is about 6540.0307338727. The cubic root of 42772002 is about 349.7195086065.

Adding to 42772002 its reverse (20027724), we get a palindrome (62799726).

The spelling of 42772002 in words is "forty-two million, seven hundred seventy-two thousand, two".

Divisors: 1 2 3 6 7 13 14 19 21 26 31 38 39 42 49 57 62 78 91 93 98 114 133 147 182 186 217 247 266 273 294 361 399 403 434 494 546 589 637 651 722 741 798 806 931 1083 1178 1209 1274 1302 1482 1519 1729 1767 1862 1911 2166 2418 2527 2793 2821 3038 3458 3534 3822 4123 4557 4693 5054 5187 5586 5642 7581 7657 8246 8463 9114 9386 10374 11191 12103 12369 14079 15162 15314 16926 17689 19747 22382 22971 24206 24738 28158 28861 32851 33573 35378 36309 39494 45942 53067 53599 57722 59241 65702 67146 72618 78337 86583 98553 106134 107198 118482 145483 156674 160797 173166 197106 229957 235011 290966 321594 375193 436449 459914 470022 548359 689871 750386 872898 1018381 1096718 1125579 1379742 1645077 2036762 2251158 3055143 3290154 6110286 7128667 14257334 21386001 42772002