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23252770 = 25171923313
BaseRepresentation
bin101100010110…
…0111100100010
31121202100210201
41120230330202
521423042040
62150215414
7401434222
oct130547442
947670721
1023252770
1112142172
12795456a
134a81b48
143134082
152094a9a
hex162cf22

23252770 has 64 divisors (see below), whose sum is σ = 48833280. Its totient is φ = 7907328.

The previous prime is 23252767. The next prime is 23252771. The reversal of 23252770 is 7725232.

It is not an unprimeable number, because it can be changed into a prime (23252771) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 74134 + ... + 74446.

It is an arithmetic number, because the mean of its divisors is an integer number (763020).

Almost surely, 223252770 is an apocalyptic number.

23252770 is an abundant number, since it is smaller than the sum of its proper divisors (25580510).

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

23252770 is a wasteful number, since it uses less digits than its factorization.

23252770 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 379.

The product of its (nonzero) digits is 5880, while the sum is 28.

The square root of 23252770 is about 4822.1126075611. The cubic root of 23252770 is about 285.4247079151.

The spelling of 23252770 in words is "twenty-three million, two hundred fifty-two thousand, seven hundred seventy".

Divisors: 1 2 5 10 17 19 23 34 38 46 85 95 115 170 190 230 313 323 391 437 626 646 782 874 1565 1615 1955 2185 3130 3230 3910 4370 5321 5947 7199 7429 10642 11894 14398 14858 26605 29735 35995 37145 53210 59470 71990 74290 101099 122383 136781 202198 244766 273562 505495 611915 683905 1010990 1223830 1367810 2325277 4650554 11626385 23252770