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38846439025 = 52394192
BaseRepresentation
bin100100001011011011…
…011001111001110001
310201021021102120022221
4210023123121321301
51114024142022100
625502410001041
72543436166162
oct441333317161
9121237376287
1038846439025
1115524890669
127641716181
13388109a6c4
141c472c9769
1510255c101a
hex90b6d9e71

38846439025 has 9 divisors (see below), whose sum is σ = 48170806411. Its totient is φ = 31076362840.

The previous prime is 38846438993. The next prime is 38846439059. The reversal of 38846439025 is 52093464883.

The square root of 38846439025 is 197095.

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

It can be written as a sum of positive squares in only one way, i.e., 13984718049 + 24861720976 = 118257^2 + 157676^2 .

It is not a de Polignac number, because 38846439025 - 25 = 38846438993 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 965766 + ... + 1005184.

Almost surely, 238846439025 is an apocalyptic number.

38846439025 is the 197095-th square number.

38846439025 is the 98548-th centered octagonal number.

It is an amenable number.

38846439025 is a deficient number, since it is larger than the sum of its proper divisors (9324367386).

38846439025 is an frugal number, since it uses more digits than its factorization.

38846439025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 78848 (or 39424 counting only the distinct ones).

The product of its (nonzero) digits is 4976640, while the sum is 52.

The spelling of 38846439025 in words is "thirty-eight billion, eight hundred forty-six million, four hundred thirty-nine thousand, twenty-five".

Divisors: 1 5 25 39419 197095 985475 1553857561 7769287805 38846439025