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40297914 = 232532797
BaseRepresentation
bin1001100110111…
…0010110111010
32210211100100100
42121232112322
540304013124
63555420230
7666345426
oct231562672
983740310
1040297914
1120824468
12115b4676
13846c327
1454cdb86
1538101c9
hex266e5ba

40297914 has 36 divisors (see below), whose sum is σ = 89102286. Its totient is φ = 13162656.

The previous prime is 40297903. The next prime is 40297919. The reversal of 40297914 is 41979204.

It can be written as a sum of positive squares in 3 ways, for example, as 39125025 + 1172889 = 6255^2 + 1083^2 .

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (40297919) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 50164 + ... + 50960.

Almost surely, 240297914 is an apocalyptic number.

40297914 is an abundant number, since it is smaller than the sum of its proper divisors (48804372).

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

40297914 is a wasteful number, since it uses less digits than its factorization.

40297914 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 911 (or 855 counting only the distinct ones).

The product of its (nonzero) digits is 18144, while the sum is 36.

The square root of 40297914 is about 6348.0637993013. The cubic root of 40297914 is about 342.8421331227.

The spelling of 40297914 in words is "forty million, two hundred ninety-seven thousand, nine hundred fourteen".

Divisors: 1 2 3 6 9 18 53 106 159 318 477 797 954 1594 2391 2809 4782 5618 7173 8427 14346 16854 25281 42241 50562 84482 126723 253446 380169 760338 2238773 4477546 6716319 13432638 20148957 40297914