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993879234 = 236681673
BaseRepresentation
bin111011001111010…
…110010011000010
32120021011022000000
4323033112103002
54013413113414
6242342140430
733425556045
oct7317262302
92507138000
10993879234
114700231a7
12238a21716
1312aba622a
1495dd6c5c
155c3c2b09
hex3b3d64c2

993879234 has 28 divisors (see below), whose sum is σ = 2235209046. Its totient is φ = 331292592.

The previous prime is 993879217. The next prime is 993879247. The reversal of 993879234 is 432978399.

It can be written as a sum of positive squares in only one way, i.e., 721728225 + 272151009 = 26865^2 + 16497^2 .

It is a Harshad number since it is a multiple of its sum of digits (54).

It is an unprimeable number.

It is a polite number, since it can be written in 13 ways as a sum of consecutive naturals, for example, 339379 + ... + 342294.

Almost surely, 2993879234 is an apocalyptic number.

993879234 is an abundant number, since it is smaller than the sum of its proper divisors (1241329812).

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

993879234 is an equidigital number, since it uses as much as digits as its factorization.

993879234 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 681693 (or 681678 counting only the distinct ones).

The product of its digits is 2939328, while the sum is 54.

The square root of 993879234 is about 31525.8502502312. The cubic root of 993879234 is about 997.9555678121.

The spelling of 993879234 in words is "nine hundred ninety-three million, eight hundred seventy-nine thousand, two hundred thirty-four".

Divisors: 1 2 3 6 9 18 27 54 81 162 243 486 729 1458 681673 1363346 2045019 4090038 6135057 12270114 18405171 36810342 55215513 110431026 165646539 331293078 496939617 993879234