Search a number
-
+
161292796 = 22754710531
BaseRepresentation
bin10011001110100…
…10000111111100
3102020111112010021
421213102013330
5312242332141
624001021524
73665652250
oct1147220774
9366445107
10161292796
1183055735
12460248a4
1327554032
14175c8260
15e2606d1
hex99d21fc

161292796 has 24 divisors (see below), whose sum is σ = 323206016. Its totient is φ = 68992560.

The previous prime is 161292773. The next prime is 161292797. The reversal of 161292796 is 697292161.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (161292797) 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, 10051 + ... + 20581.

Almost surely, 2161292796 is an apocalyptic number.

It is an amenable number.

161292796 is an abundant number, since it is smaller than the sum of its proper divisors (161913220).

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

161292796 is a wasteful number, since it uses less digits than its factorization.

161292796 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11089 (or 11087 counting only the distinct ones).

The product of its digits is 81648, while the sum is 43.

The square root of 161292796 is about 12700.1100782631. The cubic root of 161292796 is about 544.3417645905.

The spelling of 161292796 in words is "one hundred sixty-one million, two hundred ninety-two thousand, seven hundred ninety-six".

Divisors: 1 2 4 7 14 28 547 1094 2188 3829 7658 10531 15316 21062 42124 73717 147434 294868 5760457 11520914 23041828 40323199 80646398 161292796