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165456950 = 2523309139
BaseRepresentation
bin10011101110010…
…10110000110110
3102112100002021012
421313022300312
5314324110300
624230152222
74046234531
oct1167126066
9375302235
10165456950
118543a28a
12474b2672
1328381529
1417d8da18
15e7d4435
hex9dcac36

165456950 has 12 divisors (see below), whose sum is σ = 307750020. Its totient is φ = 66182760.

The previous prime is 165456913. The next prime is 165456953. The reversal of 165456950 is 59654561.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 165456898 and 165456907.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (165456953) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1654520 + ... + 1654619.

It is an arithmetic number, because the mean of its divisors is an integer number (25645835).

Almost surely, 2165456950 is an apocalyptic number.

165456950 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

165456950 is a deficient number, since it is larger than the sum of its proper divisors (142293070).

165456950 is a wasteful number, since it uses less digits than its factorization.

165456950 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3309151 (or 3309146 counting only the distinct ones).

The product of its (nonzero) digits is 162000, while the sum is 41.

The square root of 165456950 is about 12863.0070356818. The cubic root of 165456950 is about 548.9865082290.

The spelling of 165456950 in words is "one hundred sixty-five million, four hundred fifty-six thousand, nine hundred fifty".

Divisors: 1 2 5 10 25 50 3309139 6618278 16545695 33091390 82728475 165456950