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90746469 = 32114321317
BaseRepresentation
bin1010110100010…
…10111001100101
320022202101202100
411122022321211
5141212341334
613001002313
72151221652
oct532127145
9208671670
1090746469
1147251190
1226483399
1315a53948
14c0a2c29
157e77c99
hex568ae65

90746469 has 24 divisors (see below), whose sum is σ = 146326752. Its totient is φ = 53716320.

The previous prime is 90746419. The next prime is 90746483. The reversal of 90746469 is 96464709.

It is not a de Polignac number, because 90746469 - 220 = 89697893 is a prime.

It is a super-2 number, since 2×907464692 = 16469843271935922, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (90746419) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 6402 + ... + 14915.

It is an arithmetic number, because the mean of its divisors is an integer number (6096948).

Almost surely, 290746469 is an apocalyptic number.

90746469 is a gapful number since it is divisible by the number (99) formed by its first and last digit.

It is an amenable number.

90746469 is a deficient number, since it is larger than the sum of its proper divisors (55580283).

90746469 is a wasteful number, since it uses less digits than its factorization.

90746469 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21377 (or 21374 counting only the distinct ones).

The product of its (nonzero) digits is 326592, while the sum is 45.

The square root of 90746469 is about 9526.0941103896. The cubic root of 90746469 is about 449.3760389315.

The spelling of 90746469 in words is "ninety million, seven hundred forty-six thousand, four hundred sixty-nine".

Divisors: 1 3 9 11 33 43 99 129 387 473 1419 4257 21317 63951 191853 234487 703461 916631 2110383 2749893 8249679 10082941 30248823 90746469