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72681082 = 2477011103
BaseRepresentation
bin1000101010100…
…00011001111010
312001202120200221
410111100121322
5122101243312
611113450254
71541531125
oct425203172
9161676627
1072681082
1138032411
122041098a
1312099c76
14991d3bc
1565aa207
hex455067a

72681082 has 16 divisors (see below), whose sum is σ = 111601152. Its totient is φ = 35484400.

The previous prime is 72681053. The next prime is 72681083. The reversal of 72681082 is 28018627.

It is not an unprimeable number, because it can be changed into a prime (72681083) 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, 65343 + ... + 66445.

It is an arithmetic number, because the mean of its divisors is an integer number (6975072).

Almost surely, 272681082 is an apocalyptic number.

72681082 is a deficient number, since it is larger than the sum of its proper divisors (38920070).

72681082 is a wasteful number, since it uses less digits than its factorization.

72681082 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1853.

The product of its (nonzero) digits is 10752, while the sum is 34.

The square root of 72681082 is about 8525.3200526432. The cubic root of 72681082 is about 417.3244163483.

The spelling of 72681082 in words is "seventy-two million, six hundred eighty-one thousand, eighty-two".

Divisors: 1 2 47 94 701 1103 1402 2206 32947 51841 65894 103682 773203 1546406 36340541 72681082