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23690470 = 255344699
BaseRepresentation
bin101101001011…
…1110011100110
31122120121012211
41122113303212
522031043340
62203434034
7405236266
oct132276346
948517184
1023690470
1112411001
127b2591a
134ba613b
1432097a6
15212e5ea
hex1697ce6

23690470 has 16 divisors (see below), whose sum is σ = 43448400. Its totient is φ = 9297184.

The previous prime is 23690467. The next prime is 23690519. The reversal of 23690470 is 7409632.

It is a super-2 number, since 2×236904702 = 1122476737641800, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21820 + ... + 22879.

It is an arithmetic number, because the mean of its divisors is an integer number (2715525).

Almost surely, 223690470 is an apocalyptic number.

23690470 is a deficient number, since it is larger than the sum of its proper divisors (19757930).

23690470 is a wasteful number, since it uses less digits than its factorization.

23690470 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44759.

The product of its (nonzero) digits is 9072, while the sum is 31.

The square root of 23690470 is about 4867.2856912246. The cubic root of 23690470 is about 287.2044903124.

The spelling of 23690470 in words is "twenty-three million, six hundred ninety thousand, four hundred seventy".

Divisors: 1 2 5 10 53 106 265 530 44699 89398 223495 446990 2369047 4738094 11845235 23690470