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40990470 = 2351366349
BaseRepresentation
bin1001110001011…
…1011100000110
32212010112100120
42130113130012
540443143340
64022322410
71005261513
oct234273406
985115316
1040990470
1121157824
1211889406
138652621
14563030a
1538ea4d0
hex2717706

40990470 has 16 divisors (see below), whose sum is σ = 98377200. Its totient is φ = 10930784.

The previous prime is 40990457. The next prime is 40990483. The reversal of 40990470 is 7409904.

40990470 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (40990457) and next prime (40990483).

It is a congruent number.

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, 683145 + ... + 683204.

It is an arithmetic number, because the mean of its divisors is an integer number (6148575).

Almost surely, 240990470 is an apocalyptic number.

40990470 is an abundant number, since it is smaller than the sum of its proper divisors (57386730).

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

40990470 is a wasteful number, since it uses less digits than its factorization.

40990470 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1366359.

The product of its (nonzero) digits is 9072, while the sum is 33.

The square root of 40990470 is about 6402.3800262090. The cubic root of 40990470 is about 344.7950052930.

The spelling of 40990470 in words is "forty million, nine hundred ninety thousand, four hundred seventy".

Divisors: 1 2 3 5 6 10 15 30 1366349 2732698 4099047 6831745 8198094 13663490 20495235 40990470