Search a number
-
+
72455196 = 22311548903
BaseRepresentation
bin1000101000110…
…01010000011100
312001100002211210
410110121100130
5122022031241
611104544420
71536600432
oct424312034
9161302753
1072455196
1137998730
1220322110
131201b1c8
1498a0d52
156563316
hex451941c

72455196 has 24 divisors (see below), whose sum is σ = 184431744. Its totient is φ = 21956080.

The previous prime is 72455179. The next prime is 72455209. The reversal of 72455196 is 69155427.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 274320 + ... + 274583.

It is an arithmetic number, because the mean of its divisors is an integer number (7684656).

Almost surely, 272455196 is an apocalyptic number.

It is an amenable number.

72455196 is an abundant number, since it is smaller than the sum of its proper divisors (111976548).

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

72455196 is a wasteful number, since it uses less digits than its factorization.

72455196 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 548921 (or 548919 counting only the distinct ones).

The product of its digits is 75600, while the sum is 39.

The square root of 72455196 is about 8512.0617948885. The cubic root of 72455196 is about 416.8916326127.

The spelling of 72455196 in words is "seventy-two million, four hundred fifty-five thousand, one hundred ninety-six".

Divisors: 1 2 3 4 6 11 12 22 33 44 66 132 548903 1097806 1646709 2195612 3293418 6037933 6586836 12075866 18113799 24151732 36227598 72455196