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40464030 = 2356192179
BaseRepresentation
bin1001101001011…
…0111010011110
32211010210012210
42122112322132
540324322110
64003141250
71000636635
oct232267236
984123183
1040464030
1120928252
1211674826
1384c9b19
14553451c
153844520
hex2696e9e

40464030 has 32 divisors (see below), whose sum is σ = 97315200. Its totient is φ = 10768032.

The previous prime is 40464023. The next prime is 40464031. The reversal of 40464030 is 3046404.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 40463988 and 40464006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40464031) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 17481 + ... + 19659.

It is an arithmetic number, because the mean of its divisors is an integer number (3041100).

Almost surely, 240464030 is an apocalyptic number.

40464030 is an abundant number, since it is smaller than the sum of its proper divisors (56851170).

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

40464030 is a wasteful number, since it uses less digits than its factorization.

40464030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2808.

The product of its (nonzero) digits is 1152, while the sum is 21.

The square root of 40464030 is about 6361.1343328057. The cubic root of 40464030 is about 343.3125750690.

The spelling of 40464030 in words is "forty million, four hundred sixty-four thousand, thirty".

Divisors: 1 2 3 5 6 10 15 30 619 1238 1857 2179 3095 3714 4358 6190 6537 9285 10895 13074 18570 21790 32685 65370 1348801 2697602 4046403 6744005 8092806 13488010 20232015 40464030