Search a number
-
+
77496056 = 23113723801
BaseRepresentation
bin1001001111001…
…11111011111000
312101211012121022
410213213323320
5124314333211
611405002012
71630464011
oct447477370
9171735538
1077496056
113a820a30
1221b53308
1313094771
14a414008
156c0bbdb
hex49e7ef8

77496056 has 32 divisors (see below), whose sum is σ = 162805680. Its totient is φ = 34272000.

The previous prime is 77496043. The next prime is 77496059. The reversal of 77496056 is 65069477.

It is a Harshad number since it is a multiple of its sum of digits (44).

It is a junction number, because it is equal to n+sod(n) for n = 77495998 and 77496016.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (77496059) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8645 + ... + 15156.

Almost surely, 277496056 is an apocalyptic number.

77496056 is the 4706-th centered heptagonal number.

It is an amenable number.

77496056 is an abundant number, since it is smaller than the sum of its proper divisors (85309624).

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

77496056 is a wasteful number, since it uses less digits than its factorization.

77496056 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23855 (or 23851 counting only the distinct ones).

The product of its (nonzero) digits is 317520, while the sum is 44.

The square root of 77496056 is about 8803.1844238321. The cubic root of 77496056 is about 426.3437166623.

The spelling of 77496056 in words is "seventy-seven million, four hundred ninety-six thousand, fifty-six".

Divisors: 1 2 4 8 11 22 37 44 74 88 148 296 407 814 1628 3256 23801 47602 95204 190408 261811 523622 880637 1047244 1761274 2094488 3522548 7045096 9687007 19374014 38748028 77496056