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30413691 = 3371114629
BaseRepresentation
bin111010000000…
…1001101111011
32010020011202000
41310001031323
530241214231
63003512043
7516340440
oct164011573
963204660
1030413691
1116193290
12a228623
1363bb389
1440799c7
152a0b6e6
hex1d0137b

30413691 has 32 divisors (see below), whose sum is σ = 56179200. Its totient is φ = 15798240.

The previous prime is 30413641. The next prime is 30413701. The reversal of 30413691 is 19631403.

It is not a de Polignac number, because 30413691 - 26 = 30413627 is a prime.

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 (30413641) by changing a digit.

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 31 ways as a sum of consecutive naturals, for example, 5236 + ... + 9393.

It is an arithmetic number, because the mean of its divisors is an integer number (1755600).

Almost surely, 230413691 is an apocalyptic number.

30413691 is a deficient number, since it is larger than the sum of its proper divisors (25765509).

30413691 is a wasteful number, since it uses less digits than its factorization.

30413691 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14656 (or 14650 counting only the distinct ones).

The product of its (nonzero) digits is 1944, while the sum is 27.

The square root of 30413691 is about 5514.8609229971. The cubic root of 30413691 is about 312.1449954758.

The spelling of 30413691 in words is "thirty million, four hundred thirteen thousand, six hundred ninety-one".

Divisors: 1 3 7 9 11 21 27 33 63 77 99 189 231 297 693 2079 14629 43887 102403 131661 160919 307209 394983 482757 921627 1126433 1448271 2764881 3379299 4344813 10137897 30413691