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72903342 = 23191095867
BaseRepresentation
bin1000101100001…
…10101010101110
312002011212120210
410112012222232
5122130401332
611122323250
71543445121
oct426065256
9162155523
1072903342
11381743a6
12204b9526
1312147195
14997a3b8
156600ecc
hex4586aae

72903342 has 32 divisors (see below), whose sum is σ = 154915200. Its totient is φ = 22807008.

The previous prime is 72903331. The next prime is 72903359. The reversal of 72903342 is 24330927.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9493 + ... + 15359.

It is an arithmetic number, because the mean of its divisors is an integer number (4841100).

Almost surely, 272903342 is an apocalyptic number.

72903342 is an abundant number, since it is smaller than the sum of its proper divisors (82011858).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

72903342 is a wasteful number, since it uses less digits than its factorization.

72903342 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6000.

The product of its (nonzero) digits is 9072, while the sum is 30.

The square root of 72903342 is about 8538.3453900624. The cubic root of 72903342 is about 417.7493785448.

The spelling of 72903342 in words is "seventy-two million, nine hundred three thousand, three hundred forty-two".

Divisors: 1 2 3 6 19 38 57 109 114 218 327 654 2071 4142 5867 6213 11734 12426 17601 35202 111473 222946 334419 639503 668838 1279006 1918509 3837018 12150557 24301114 36451671 72903342