Search a number
-
+
77160054 = 23311073877
BaseRepresentation
bin1001001100101…
…01111001110110
312101012010200210
410212111321312
5124223110204
611353450250
71624564266
oct446257166
9171163623
1077160054
113a611544
1221a10986
1312ca784a
14a3677a6
156b92389
hex4995e76

77160054 has 32 divisors (see below), whose sum is σ = 160828416. Its totient is φ = 24651360.

The previous prime is 77160053. The next prime is 77160067. The reversal of 77160054 is 45006177.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (77160053) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 17964 + ... + 21840.

It is an arithmetic number, because the mean of its divisors is an integer number (5025888).

Almost surely, 277160054 is an apocalyptic number.

77160054 is an abundant number, since it is smaller than the sum of its proper divisors (83668362).

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

77160054 is a wasteful number, since it uses less digits than its factorization.

77160054 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4020.

The product of its (nonzero) digits is 5880, while the sum is 30.

The square root of 77160054 is about 8784.0795761423. The cubic root of 77160054 is about 425.7266535344.

The spelling of 77160054 in words is "seventy-seven million, one hundred sixty thousand, fifty-four".

Divisors: 1 2 3 6 31 62 93 107 186 214 321 642 3317 3877 6634 7754 9951 11631 19902 23262 120187 240374 360561 414839 721122 829678 1244517 2489034 12860009 25720018 38580027 77160054