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161352104 = 23191061527
BaseRepresentation
bin10011001111000…
…00100110101000
3102020121112110212
421213200212220
5312301231404
624002200252
73666320204
oct1147404650
9366545425
10161352104
1183096251
1246053088
1327575024
1417601b04
15e27306e
hex99e09a8

161352104 has 16 divisors (see below), whose sum is σ = 318458400. Its totient is φ = 76429872.

The previous prime is 161352091. The next prime is 161352127. The reversal of 161352104 is 401253161.

It is a self number, because there is not a number n which added to its sum of digits gives 161352104.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 530612 + ... + 530915.

It is an arithmetic number, because the mean of its divisors is an integer number (19903650).

Almost surely, 2161352104 is an apocalyptic number.

It is an amenable number.

161352104 is a deficient number, since it is larger than the sum of its proper divisors (157106296).

161352104 is a wasteful number, since it uses less digits than its factorization.

161352104 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1061552 (or 1061548 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 23.

The square root of 161352104 is about 12702.4448040525. Note that the first 3 decimals coincide. The cubic root of 161352104 is about 544.4084752889.

The spelling of 161352104 in words is "one hundred sixty-one million, three hundred fifty-two thousand, one hundred four".

Divisors: 1 2 4 8 19 38 76 152 1061527 2123054 4246108 8492216 20169013 40338026 80676052 161352104