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40070064 = 2437910567
BaseRepresentation
bin1001100011011…
…0101110110000
32210101202210110
42120312232300
540224220224
63550501320
7664406226
oct230665660
983352713
1040070064
1120689261
1211504840
1383bc6c8
145470b16
1537b7929
hex2636bb0

40070064 has 40 divisors (see below), whose sum is σ = 104834560. Its totient is φ = 13186368.

The previous prime is 40070053. The next prime is 40070077. The reversal of 40070064 is 46007004.

40070064 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×400700642 = 3211220057928192, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 40070064.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1492 + ... + 9075.

It is an arithmetic number, because the mean of its divisors is an integer number (2620864).

Almost surely, 240070064 is an apocalyptic number.

It is an amenable number.

40070064 is an abundant number, since it is smaller than the sum of its proper divisors (64764496).

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

40070064 is a wasteful number, since it uses less digits than its factorization.

40070064 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10657 (or 10651 counting only the distinct ones).

The product of its (nonzero) digits is 672, while the sum is 21.

The square root of 40070064 is about 6330.0919424602. The cubic root of 40070064 is about 342.1947524536.

Adding to 40070064 its reverse (46007004), we get a palindrome (86077068).

The spelling of 40070064 in words is "forty million, seventy thousand, sixty-four".

Divisors: 1 2 3 4 6 8 12 16 24 48 79 158 237 316 474 632 948 1264 1896 3792 10567 21134 31701 42268 63402 84536 126804 169072 253608 507216 834793 1669586 2504379 3339172 5008758 6678344 10017516 13356688 20035032 40070064