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634290084 = 2232142712347
BaseRepresentation
bin100101110011100…
…111111110100100
31122012112021102100
4211303213332210
52244334240314
6142535012100
721501243141
oct4563477644
91565467370
10634290084
112a604958a
1215850a030
13a154349c
14603513c8
153aa42c09
hex25ce7fa4

634290084 has 36 divisors (see below), whose sum is σ = 1604597904. Its totient is φ = 211264752.

The previous prime is 634290071. The next prime is 634290109. The reversal of 634290084 is 480092436.

It is a happy number.

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

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 45199 + ... + 57545.

It is an arithmetic number, because the mean of its divisors is an integer number (44572164).

Almost surely, 2634290084 is an apocalyptic number.

It is an amenable number.

634290084 is an abundant number, since it is smaller than the sum of its proper divisors (970307820).

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

634290084 is a wasteful number, since it uses less digits than its factorization.

634290084 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13784 (or 13779 counting only the distinct ones).

The product of its (nonzero) digits is 41472, while the sum is 36.

The square root of 634290084 is about 25185.1163189690. The cubic root of 634290084 is about 859.2033744393.

The spelling of 634290084 in words is "six hundred thirty-four million, two hundred ninety thousand, eighty-four".

Divisors: 1 2 3 4 6 9 12 18 36 1427 2854 4281 5708 8562 12347 12843 17124 24694 25686 37041 49388 51372 74082 111123 148164 222246 444492 17619169 35238338 52857507 70476676 105715014 158572521 211430028 317145042 634290084