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47064402 = 23474112
BaseRepresentation
bin1011001110001…
…0010101010010
310021120010020000
42303202111102
544022030102
64400430430
71111020000
oct263422522
9107503200
1047064402
1124626200
1213918416
13999b178
146371a70
1541ea01c
hex2ce2552

47064402 has 150 divisors (see below), whose sum is σ = 135229479. Its totient is φ = 12224520.

The previous prime is 47064383. The next prime is 47064461. The reversal of 47064402 is 20446074.

It can be written as a sum of positive squares in only one way, i.e., 23532201 + 23532201 = 4851^2 + 4851^2 .

It is an ABA number since it can be written as A⋅BA, here for A=2, B=4851.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an unprimeable number.

It is a polite number, since it can be written in 74 ways as a sum of consecutive naturals, for example, 4278577 + ... + 4278587.

Almost surely, 247064402 is an apocalyptic number.

47064402 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 47064402

47064402 is an abundant number, since it is smaller than the sum of its proper divisors (88165077).

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

47064402 is an equidigital number, since it uses as much as digits as its factorization.

47064402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 64 (or 23 counting only the distinct ones).

The product of its (nonzero) digits is 5376, while the sum is 27.

The square root of 47064402 is about 6860.3499910719. The cubic root of 47064402 is about 361.0473665541.

The spelling of 47064402 in words is "forty-seven million, sixty-four thousand, four hundred two".

Divisors: 1 2 3 6 7 9 11 14 18 21 22 27 33 42 49 54 63 66 77 81 98 99 121 126 147 154 162 189 198 231 242 294 297 343 363 378 441 462 539 567 594 686 693 726 847 882 891 1029 1078 1089 1134 1323 1386 1617 1694 1782 2058 2079 2178 2401 2541 2646 3087 3234 3267 3773 3969 4158 4802 4851 5082 5929 6174 6237 6534 7203 7546 7623 7938 9261 9702 9801 11319 11858 12474 14406 14553 15246 17787 18522 19602 21609 22638 22869 26411 27783 29106 33957 35574 41503 43218 43659 45738 52822 53361 55566 64827 67914 68607 79233 83006 87318 101871 106722 124509 129654 137214 158466 160083 194481 203742 237699 249018 290521 305613 320166 373527 388962 475398 480249 581042 611226 713097 747054 871563 960498 1120581 1426194 1743126 2139291 2241162 2614689 3361743 4278582 5229378 6723486 7844067 15688134 23532201 47064402