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40830912 = 263323629
BaseRepresentation
bin1001101111000…
…0011111000000
32211211102111000
42123300133000
540423042122
64015052000
71004025363
oct233603700
984742430
1040830912
1121058961
1211811000
1385c7b05
1455cc0da
1538b80ac
hex26f07c0

40830912 has 56 divisors (see below), whose sum is σ = 120040400. Its totient is φ = 13609728.

The previous prime is 40830883. The next prime is 40830919. The reversal of 40830912 is 21903804.

It is a super-3 number, since 3×408309123 (a number of 24 digits) contains 333 as substring.

It is a hoax number, since the sum of its digits (27) coincides with the sum of the digits of its distinct prime factors.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40830919) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10087 + ... + 13542.

Almost surely, 240830912 is an apocalyptic number.

It is an amenable number.

40830912 is an abundant number, since it is smaller than the sum of its proper divisors (79209488).

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

40830912 is a wasteful number, since it uses less digits than its factorization.

40830912 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23650 (or 23634 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 27.

The square root of 40830912 is about 6389.9070415774. The cubic root of 40830912 is about 344.3470447541.

It can be divided in two parts, 408309 and 12, that added together give a square (408321 = 6392).

The spelling of 40830912 in words is "forty million, eight hundred thirty thousand, nine hundred twelve".

Divisors: 1 2 3 4 6 8 9 12 16 18 24 27 32 36 48 54 64 72 96 108 144 192 216 288 432 576 864 1728 23629 47258 70887 94516 141774 189032 212661 283548 378064 425322 567096 637983 756128 850644 1134192 1275966 1512256 1701288 2268384 2551932 3402576 4536768 5103864 6805152 10207728 13610304 20415456 40830912