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102023432 = 2371821847
BaseRepresentation
bin1100001010011…
…00000100001000
321002222022211122
412011030010020
5202104222212
614042414412
72346120260
oct605140410
9232868748
10102023432
1152653795
122a201408
13181a17c4
14d79a7a0
158e54272
hex614c108

102023432 has 16 divisors (see below), whose sum is σ = 218621760. Its totient is φ = 43724304.

The previous prime is 102023401. The next prime is 102023437. The reversal of 102023432 is 234320201.

It is a self number, because there is not a number n which added to its sum of digits gives 102023432.

It is not an unprimeable number, because it can be changed into a prime (102023437) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 910868 + ... + 910979.

It is an arithmetic number, because the mean of its divisors is an integer number (13663860).

Almost surely, 2102023432 is an apocalyptic number.

It is an amenable number.

102023432 is an abundant number, since it is smaller than the sum of its proper divisors (116598328).

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

102023432 is a wasteful number, since it uses less digits than its factorization.

102023432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1821860 (or 1821856 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 17.

The square root of 102023432 is about 10100.6649286074. The cubic root of 102023432 is about 467.2686485297.

Adding to 102023432 its reverse (234320201), we get a palindrome (336343633).

The spelling of 102023432 in words is "one hundred two million, twenty-three thousand, four hundred thirty-two".

Divisors: 1 2 4 7 8 14 28 56 1821847 3643694 7287388 12752929 14574776 25505858 51011716 102023432