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123800934 = 2320633489
BaseRepresentation
bin1110110000100…
…00110101100110
322121221201221210
413120100311212
5223143112214
620141252250
73032201445
oct730206546
9277851853
10123800934
1163978524
1235564086
131c857cba
1412628d5c
15ad06b59
hex7610d66

123800934 has 8 divisors (see below), whose sum is σ = 247601880. Its totient is φ = 41266976.

The previous prime is 123800933. The next prime is 123800947. The reversal of 123800934 is 439008321.

It is a sphenic number, since it is the product of 3 distinct primes.

123800934 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123800933) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10316739 + ... + 10316750.

It is an arithmetic number, because the mean of its divisors is an integer number (30950235).

Almost surely, 2123800934 is an apocalyptic number.

123800934 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

123800934 is a wasteful number, since it uses less digits than its factorization.

123800934 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20633494.

The product of its (nonzero) digits is 5184, while the sum is 30.

The square root of 123800934 is about 11126.5868081816. The cubic root of 123800934 is about 498.3961058820.

The spelling of 123800934 in words is "one hundred twenty-three million, eight hundred thousand, nine hundred thirty-four".

Divisors: 1 2 3 6 20633489 41266978 61900467 123800934