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72343054 = 275878803
BaseRepresentation
bin1000100111111…
…01111000001110
312001010102000101
410103331320032
5122004434204
611102321314
71535622460
oct423757016
9161112011
1072343054
1137921453
122028923a
1311cac154
149872130
15653eea4
hex44fde0e

72343054 has 16 divisors (see below), whose sum is σ = 124242048. Its totient is φ = 30947832.

The previous prime is 72343031. The next prime is 72343069. The reversal of 72343054 is 45034327.

It is an alternating number because its digits alternate between odd and even.

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, 3817 + ... + 12619.

It is an arithmetic number, because the mean of its divisors is an integer number (7765128).

Almost surely, 272343054 is an apocalyptic number.

72343054 is a deficient number, since it is larger than the sum of its proper divisors (51898994).

72343054 is a wasteful number, since it uses less digits than its factorization.

72343054 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9399.

The product of its (nonzero) digits is 10080, while the sum is 28.

The square root of 72343054 is about 8505.4720033635. The cubic root of 72343054 is about 416.6764412285.

The spelling of 72343054 in words is "seventy-two million, three hundred forty-three thousand, fifty-four".

Divisors: 1 2 7 14 587 1174 4109 8218 8803 17606 61621 123242 5167361 10334722 36171527 72343054