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72836852 = 221110915187
BaseRepresentation
bin1000101011101…
…10011011110100
312002001111101012
410111312123310
5122121234402
611121051352
71543050224
oct425663364
9162044335
1072836852
1138129450
1220486b58
1312122b3a
149960084
1565db452
hex45766f4

72836852 has 24 divisors (see below), whose sum is σ = 140337120. Its totient is φ = 32801760.

The previous prime is 72836851. The next prime is 72836921. The reversal of 72836852 is 25863827.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (72836851) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2798 + ... + 12389.

It is an arithmetic number, because the mean of its divisors is an integer number (5847380).

Almost surely, 272836852 is an apocalyptic number.

It is an amenable number.

72836852 is a deficient number, since it is larger than the sum of its proper divisors (67500268).

72836852 is a wasteful number, since it uses less digits than its factorization.

72836852 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15311 (or 15309 counting only the distinct ones).

The product of its digits is 161280, while the sum is 41.

The square root of 72836852 is about 8534.4508903620. The cubic root of 72836852 is about 417.6223399943.

The spelling of 72836852 in words is "seventy-two million, eight hundred thirty-six thousand, eight hundred fifty-two".

Divisors: 1 2 4 11 22 44 109 218 436 1199 2398 4796 15187 30374 60748 167057 334114 668228 1655383 3310766 6621532 18209213 36418426 72836852