Search a number
-
+
23402870 = 2519373329
BaseRepresentation
bin101100101000…
…1100101110110
31122000222200222
41121101211312
521442342440
62153334342
7402630641
oct131214566
948028628
1023402870
1112234a17
127a073b2
134b0526a
143172a58
1520c42b5
hex1651976

23402870 has 32 divisors (see below), whose sum is σ = 45554400. Its totient is φ = 8626176.

The previous prime is 23402837. The next prime is 23402887. The reversal of 23402870 is 7820432.

It is a zygodrome in base 3.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5366 + ... + 8694.

It is an arithmetic number, because the mean of its divisors is an integer number (1423575).

Almost surely, 223402870 is an apocalyptic number.

23402870 is a deficient number, since it is larger than the sum of its proper divisors (22151530).

23402870 is a wasteful number, since it uses less digits than its factorization.

23402870 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3392.

The product of its (nonzero) digits is 2688, while the sum is 26.

The square root of 23402870 is about 4837.6512896239. The cubic root of 23402870 is about 286.0375437697.

The spelling of 23402870 in words is "twenty-three million, four hundred two thousand, eight hundred seventy".

Divisors: 1 2 5 10 19 37 38 74 95 185 190 370 703 1406 3329 3515 6658 7030 16645 33290 63251 123173 126502 246346 316255 615865 632510 1231730 2340287 4680574 11701435 23402870