Search a number
-
+
161024052 = 22371916953
BaseRepresentation
bin10011001100100…
…00100000110100
3102012222212110210
421212100200310
5312210232202
623551145420
73663452610
oct1146204064
9365885423
10161024052
1182991832
1245b15270
132748b907
1417558340
15e20ac6c
hex9990834

161024052 has 24 divisors (see below), whose sum is σ = 429397696. Its totient is φ = 46006848.

The previous prime is 161024047. The next prime is 161024053. The reversal of 161024052 is 250420161.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (161024053) 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, 958393 + ... + 958560.

Almost surely, 2161024052 is an apocalyptic number.

161024052 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

161024052 is an abundant number, since it is smaller than the sum of its proper divisors (268373644).

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

161024052 is a wasteful number, since it uses less digits than its factorization.

161024052 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1916967 (or 1916965 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 21.

The square root of 161024052 is about 12689.5252866291. The cubic root of 161024052 is about 544.0392714224.

The spelling of 161024052 in words is "one hundred sixty-one million, twenty-four thousand, fifty-two".

Divisors: 1 2 3 4 6 7 12 14 21 28 42 84 1916953 3833906 5750859 7667812 11501718 13418671 23003436 26837342 40256013 53674684 80512026 161024052