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160890530 = 25113142381
BaseRepresentation
bin10011001011011…
…11111010100010
3102012202002022112
421211233322202
5312141444110
623544235322
73662355413
oct1145577242
9365662275
10160890530
1182900489
1245a6bb42
1327442bc8
141752180a
15e1d1405
hex996fea2

160890530 has 16 divisors (see below), whose sum is σ = 292167864. Its totient is φ = 63786240.

The previous prime is 160890529. The next prime is 160890539. The reversal of 160890530 is 35098061.

It can be written as a sum of positive squares in 4 ways, for example, as 81306289 + 79584241 = 9017^2 + 8921^2 .

It is not an unprimeable number, because it can be changed into a prime (160890539) 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, 70061 + ... + 72320.

Almost surely, 2160890530 is an apocalyptic number.

160890530 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

160890530 is a deficient number, since it is larger than the sum of its proper divisors (131277334).

160890530 is a wasteful number, since it uses less digits than its factorization.

160890530 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 142501.

The product of its (nonzero) digits is 6480, while the sum is 32.

The square root of 160890530 is about 12684.2630846258. The cubic root of 160890530 is about 543.8888564210. Note that the first 4 decimals are identical.

The spelling of 160890530 in words is "one hundred sixty million, eight hundred ninety thousand, five hundred thirty".

Divisors: 1 2 5 10 113 226 565 1130 142381 284762 711905 1423810 16089053 32178106 80445265 160890530