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72356054 = 240938839
BaseRepresentation
bin1000101000000…
…01000011010110
312001011001211212
410110001003112
5122010343204
611102501422
71536005411
oct424010326
9161131755
1072356054
11379301a1
1220294872
1311cb5044
149876b78
156543c6e
hex45010d6

72356054 has 8 divisors (see below), whose sum is σ = 108572880. Its totient is φ = 36165096.

The previous prime is 72356051. The next prime is 72356059. The reversal of 72356054 is 45065327.

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

It is a self number, because there is not a number n which added to its sum of digits gives 72356054.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (72356051) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3767 + ... + 12605.

It is an arithmetic number, because the mean of its divisors is an integer number (13571610).

Almost surely, 272356054 is an apocalyptic number.

72356054 is a deficient number, since it is larger than the sum of its proper divisors (36216826).

72356054 is a wasteful number, since it uses less digits than its factorization.

72356054 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12934.

The product of its (nonzero) digits is 25200, while the sum is 32.

The square root of 72356054 is about 8506.2361829425. The cubic root of 72356054 is about 416.7013985626.

The spelling of 72356054 in words is "seventy-two million, three hundred fifty-six thousand, fifty-four".

Divisors: 1 2 4093 8186 8839 17678 36178027 72356054