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161413008 = 24311872833
BaseRepresentation
bin10011001111011…
…11011110010000
3102020201122000120
421213233132100
5312310204013
624003350240
73666662601
oct1147573620
9366648016
10161413008
1183127a89
1246082380
1327596973
1417619da8
15e286123
hex99ef790

161413008 has 40 divisors (see below), whose sum is σ = 417482208. Its totient is φ = 53740032.

The previous prime is 161413003. The next prime is 161413039. The reversal of 161413008 is 800314161.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is not an unprimeable number, because it can be changed into a prime (161413003) 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, 55560 + ... + 58392.

Almost surely, 2161413008 is an apocalyptic number.

It is an amenable number.

161413008 is an abundant number, since it is smaller than the sum of its proper divisors (256069200).

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

161413008 is a wasteful number, since it uses less digits than its factorization.

161413008 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4031 (or 4025 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 24.

The square root of 161413008 is about 12704.8419116493. The cubic root of 161413008 is about 544.4769641859.

Adding to 161413008 its reverse (800314161), we get a palindrome (961727169).

The spelling of 161413008 in words is "one hundred sixty-one million, four hundred thirteen thousand, eight".

Divisors: 1 2 3 4 6 8 12 16 24 48 1187 2374 2833 3561 4748 5666 7122 8499 9496 11332 14244 16998 18992 22664 28488 33996 45328 56976 67992 135984 3362771 6725542 10088313 13451084 20176626 26902168 40353252 53804336 80706504 161413008