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161082070 = 2567240421
BaseRepresentation
bin10011001100111…
…10101011010110
3102020002211001121
421212132223112
5312214111240
623552314154
73664114012
oct1146365326
9366084047
10161082070
1182a21386
1245b4295a
13274ac146
1417571542
15e21d04a
hex999ead6

161082070 has 16 divisors (see below), whose sum is σ = 294276528. Its totient is φ = 63470880.

The previous prime is 161082049. The next prime is 161082091. The reversal of 161082070 is 70280161.

It is an interprime number because it is at equal distance from previous prime (161082049) and next prime (161082091).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 119541 + ... + 120880.

It is an arithmetic number, because the mean of its divisors is an integer number (18392283).

Almost surely, 2161082070 is an apocalyptic number.

161082070 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

161082070 is a deficient number, since it is larger than the sum of its proper divisors (133194458).

161082070 is a wasteful number, since it uses less digits than its factorization.

161082070 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 240495.

The product of its (nonzero) digits is 672, while the sum is 25.

The square root of 161082070 is about 12691.8111394710. The cubic root of 161082070 is about 544.1046038576.

The spelling of 161082070 in words is "one hundred sixty-one million, eighty-two thousand, seventy".

Divisors: 1 2 5 10 67 134 335 670 240421 480842 1202105 2404210 16108207 32216414 80541035 161082070