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87407226 = 2324855957
BaseRepresentation
bin1010011010110…
…11101001111010
320002110202011200
411031123221322
5134334012401
612401235030
72110643364
oct515335172
9202422150
1087407226
1145380385
1225332a76
1315154a6a
14b873d34
157a18686
hex535ba7a

87407226 has 12 divisors (see below), whose sum is σ = 189382362. Its totient is φ = 29135736.

The previous prime is 87407219. The next prime is 87407237. The reversal of 87407226 is 62270478.

It can be written as a sum of positive squares in only one way, i.e., 85544001 + 1863225 = 9249^2 + 1365^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2427961 + ... + 2427996.

Almost surely, 287407226 is an apocalyptic number.

87407226 is an abundant number, since it is smaller than the sum of its proper divisors (101975136).

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

87407226 is a wasteful number, since it uses less digits than its factorization.

87407226 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4855965 (or 4855962 counting only the distinct ones).

The product of its (nonzero) digits is 37632, while the sum is 36.

The square root of 87407226 is about 9349.1831728767. The cubic root of 87407226 is about 443.7950417548.

The spelling of 87407226 in words is "eighty-seven million, four hundred seven thousand, two hundred twenty-six".

Divisors: 1 2 3 6 9 18 4855957 9711914 14567871 29135742 43703613 87407226