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87963425 = 52111013167
BaseRepresentation
bin1010011111000…
…11011100100001
320010112000010122
411033203130201
5140004312200
612421210025
72115451064
oct517433441
9203460118
1087963425
1145720250
1225560915
13152bac84
14b97a8db
157ac8385
hex53e3721

87963425 has 24 divisors (see below), whose sum is σ = 120206592. Its totient is φ = 63320000.

The previous prime is 87963413. The next prime is 87963437. The reversal of 87963425 is 52436978.

It is an interprime number because it is at equal distance from previous prime (87963413) and next prime (87963437).

It is not a de Polignac number, because 87963425 - 26 = 87963361 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 26192 + ... + 29358.

It is an arithmetic number, because the mean of its divisors is an integer number (5008608).

Almost surely, 287963425 is an apocalyptic number.

It is an amenable number.

87963425 is a deficient number, since it is larger than the sum of its proper divisors (32243167).

87963425 is a wasteful number, since it uses less digits than its factorization.

87963425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3289 (or 3284 counting only the distinct ones).

The product of its digits is 362880, while the sum is 44.

The square root of 87963425 is about 9378.8818629941. The cubic root of 87963425 is about 444.7343867929.

It can be divided in two parts, 87963 and 425, that added together give a palindrome (88388).

The spelling of 87963425 in words is "eighty-seven million, nine hundred sixty-three thousand, four hundred twenty-five".

Divisors: 1 5 11 25 55 101 275 505 1111 2525 3167 5555 15835 27775 34837 79175 174185 319867 870925 1599335 3518537 7996675 17592685 87963425