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84379902 = 2349928183
BaseRepresentation
bin1010000011110…
…00100011111110
312212202221110120
411001320203332
5133100124102
612212315410
72043134355
oct501704376
9185687416
1084379902
11436a2962
1224312b66
1314634b49
14b2c699c
15761b6bc
hex50788fe

84379902 has 16 divisors (see below), whose sum is σ = 169104000. Its totient is φ = 28069272.

The previous prime is 84379873. The next prime is 84379909. The reversal of 84379902 is 20997348.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (84379909) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11098 + ... + 17085.

It is an arithmetic number, because the mean of its divisors is an integer number (10569000).

Almost surely, 284379902 is an apocalyptic number.

84379902 is an abundant number, since it is smaller than the sum of its proper divisors (84724098).

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

84379902 is a wasteful number, since it uses less digits than its factorization.

84379902 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28687.

The product of its (nonzero) digits is 108864, while the sum is 42.

The square root of 84379902 is about 9185.8533626441. The cubic root of 84379902 is about 438.6111545141.

The spelling of 84379902 in words is "eighty-four million, three hundred seventy-nine thousand, nine hundred two".

Divisors: 1 2 3 6 499 998 1497 2994 28183 56366 84549 169098 14063317 28126634 42189951 84379902