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72929630 = 2522931847
BaseRepresentation
bin1000101100011…
…01000101011110
312002020012122102
410112031011132
5122132222010
611123045102
71543614554
oct426150536
9162205572
1072929630
1138192124
1220510792
1312156137
149985bd4
156608ba5
hex458d15e

72929630 has 16 divisors (see below), whose sum is σ = 131850720. Its totient is φ = 29043552.

The previous prime is 72929629. The next prime is 72929651. The reversal of 72929630 is 3692927.

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

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13634 + ... + 18213.

It is an arithmetic number, because the mean of its divisors is an integer number (8240670).

Almost surely, 272929630 is an apocalyptic number.

72929630 is a deficient number, since it is larger than the sum of its proper divisors (58921090).

72929630 is a wasteful number, since it uses less digits than its factorization.

72929630 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32083.

The product of its (nonzero) digits is 40824, while the sum is 38.

The square root of 72929630 is about 8539.8846596427. The cubic root of 72929630 is about 417.7995841809.

The spelling of 72929630 in words is "seventy-two million, nine hundred twenty-nine thousand, six hundred thirty".

Divisors: 1 2 5 10 229 458 1145 2290 31847 63694 159235 318470 7292963 14585926 36464815 72929630