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72150946 = 275153639
BaseRepresentation
bin1000100110011…
…10111110100010
312000202122111021
410103032332202
5121432312241
611054240054
71534162420
oct423167642
9160678437
1072150946
113780008a
12201b602a
1311c4288a
149822110
1565030d1
hex44cefa2

72150946 has 8 divisors (see below), whose sum is σ = 123687360. Its totient is φ = 30921828.

The previous prime is 72150929. The next prime is 72150973. The reversal of 72150946 is 64905127.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a nialpdrome in base 14.

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, 2576806 + ... + 2576833.

It is an arithmetic number, because the mean of its divisors is an integer number (15460920).

Almost surely, 272150946 is an apocalyptic number.

72150946 is a deficient number, since it is larger than the sum of its proper divisors (51536414).

72150946 is a wasteful number, since it uses less digits than its factorization.

72150946 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5153648.

The product of its (nonzero) digits is 15120, while the sum is 34.

The square root of 72150946 is about 8494.1712956592. The cubic root of 72150946 is about 416.3072842131.

The spelling of 72150946 in words is "seventy-two million, one hundred fifty thousand, nine hundred forty-six".

Divisors: 1 2 7 14 5153639 10307278 36075473 72150946