Search a number
-
+
102470112 = 2532355799
BaseRepresentation
bin1100001101110…
…01000111100000
321010211000120100
412012321013200
5202213020422
614100142400
72352660453
oct606710740
9233730510
10102470112
1152929348
122a397a00
13182c9c04
14d87549a
158ee17ac
hex61b91e0

102470112 has 36 divisors (see below), whose sum is σ = 291400200. Its totient is φ = 34156608.

The previous prime is 102470099. The next prime is 102470117. The reversal of 102470112 is 211074201.

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102470117) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 177612 + ... + 178187.

It is an arithmetic number, because the mean of its divisors is an integer number (8094450).

Almost surely, 2102470112 is an apocalyptic number.

102470112 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

102470112 is an abundant number, since it is smaller than the sum of its proper divisors (188930088).

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

102470112 is a wasteful number, since it uses less digits than its factorization.

102470112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 355815 (or 355804 counting only the distinct ones).

The product of its (nonzero) digits is 112, while the sum is 18.

The square root of 102470112 is about 10122.7521949320. The cubic root of 102470112 is about 467.9495891351.

The spelling of 102470112 in words is "one hundred two million, four hundred seventy thousand, one hundred twelve".

Divisors: 1 2 3 4 6 8 9 12 16 18 24 32 36 48 72 96 144 288 355799 711598 1067397 1423196 2134794 2846392 3202191 4269588 5692784 6404382 8539176 11385568 12808764 17078352 25617528 34156704 51235056 102470112