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23373823225 = 52305772
BaseRepresentation
bin10101110001001100…
…000011110011111001
32020022221222020122111
4111301030003303321
5340332144320400
614423210052321
71455140135134
oct256114036371
966287866574
1023373823225
119a04a06385
124643a1a0a1
132286666a3c
1411ba3db21b
1591c0523ba
hex571303cf9

23373823225 has 9 divisors (see below), whose sum is σ = 28984488717. Its totient is φ = 18698447040.

The previous prime is 23373823217. The next prime is 23373823241. The reversal of 23373823225 is 52232837332.

It is a happy number.

The square root of 23373823225 is 152885.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in 4 ways, for example, as 1963110249 + 21410712976 = 44307^2 + 146324^2 .

It is not a de Polignac number, because 23373823225 - 23 = 23373823217 is a prime.

It is a super-2 number, since 2×233738232252 (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 749137 + ... + 779713.

Almost surely, 223373823225 is an apocalyptic number.

23373823225 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

23373823225 is the 152885-th square number.

23373823225 is the 76443-rd centered octagonal number.

It is an amenable number.

23373823225 is a deficient number, since it is larger than the sum of its proper divisors (5610665492).

23373823225 is an frugal number, since it uses more digits than its factorization.

23373823225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61164 (or 30582 counting only the distinct ones).

The product of its digits is 362880, while the sum is 40.

The spelling of 23373823225 in words is "twenty-three billion, three hundred seventy-three million, eight hundred twenty-three thousand, two hundred twenty-five".

Divisors: 1 5 25 30577 152885 764425 934952929 4674764645 23373823225