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72850670 = 257285067
BaseRepresentation
bin1000101011110…
…01110011101110
312002002012022222
410111321303232
5122122210140
611121235342
71543135424
oct425716356
9162065288
1072850670
1138138872
1220492b52
1312129209
149965114
1565e05b5
hex4579cee

72850670 has 8 divisors (see below), whose sum is σ = 131131224. Its totient is φ = 29140264.

The previous prime is 72850667. The next prime is 72850703. The reversal of 72850670 is 7605827.

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

It is a Curzon number.

It is a plaindrome in base 16.

It is a self number, because there is not a number n which added to its sum of digits gives 72850670.

It is a congruent number.

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, 3642524 + ... + 3642543.

It is an arithmetic number, because the mean of its divisors is an integer number (16391403).

Almost surely, 272850670 is an apocalyptic number.

72850670 is a deficient number, since it is larger than the sum of its proper divisors (58280554).

72850670 is a wasteful number, since it uses less digits than its factorization.

72850670 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7285074.

The product of its (nonzero) digits is 23520, while the sum is 35.

The square root of 72850670 is about 8535.2603943875. The cubic root of 72850670 is about 417.6487476000.

The spelling of 72850670 in words is "seventy-two million, eight hundred fifty thousand, six hundred seventy".

Divisors: 1 2 5 10 7285067 14570134 36425335 72850670