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102398004 = 223217167317
BaseRepresentation
bin1100001101001…
…11100000110100
321010200100122200
412012213200310
5202203214004
614054424500
72352240312
oct606474064
9233610580
10102398004
115288a155
122a362130
13182a3147
14d8570b2
158eca239
hex61a7834

102398004 has 36 divisors (see below), whose sum is σ = 274066884. Its totient is φ = 32124672.

The previous prime is 102398003. The next prime is 102398017. The reversal of 102398004 is 400893201.

It can be written as a sum of positive squares in 2 ways, for example, as 95648400 + 6749604 = 9780^2 + 2598^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102398003) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 83047 + ... + 84270.

It is an arithmetic number, because the mean of its divisors is an integer number (7612969).

Almost surely, 2102398004 is an apocalyptic number.

It is an amenable number.

102398004 is an abundant number, since it is smaller than the sum of its proper divisors (171668880).

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

102398004 is a wasteful number, since it uses less digits than its factorization.

102398004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 167344 (or 167339 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 27.

The square root of 102398004 is about 10119.1898885237. The cubic root of 102398004 is about 467.8397983342.

The spelling of 102398004 in words is "one hundred two million, three hundred ninety-eight thousand, four".

Divisors: 1 2 3 4 6 9 12 17 18 34 36 51 68 102 153 204 306 612 167317 334634 501951 669268 1003902 1505853 2007804 2844389 3011706 5688778 6023412 8533167 11377556 17066334 25599501 34132668 51199002 102398004