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133930894 = 2531263499
BaseRepresentation
bin1111111101110…
…01111110001110
3100100000101122111
413332321332032
5233241242034
621142334234
73214252036
oct776717616
9310011574
10133930894
1169667299
1238a2a37a
1321993a66
1413b048c6
15bb58364
hex7fb9f8e

133930894 has 8 divisors (see below), whose sum is σ = 204687000. Its totient is φ = 65701896.

The previous prime is 133930889. The next prime is 133930931. The reversal of 133930894 is 498039331.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 631644 + ... + 631855.

It is an arithmetic number, because the mean of its divisors is an integer number (25585875).

Almost surely, 2133930894 is an apocalyptic number.

133930894 is a deficient number, since it is larger than the sum of its proper divisors (70756106).

133930894 is a wasteful number, since it uses less digits than its factorization.

133930894 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1263554.

The product of its (nonzero) digits is 69984, while the sum is 40.

The square root of 133930894 is about 11572.8515932764. The cubic root of 133930894 is about 511.6350115814.

The spelling of 133930894 in words is "one hundred thirty-three million, nine hundred thirty thousand, eight hundred ninety-four".

Divisors: 1 2 53 106 1263499 2526998 66965447 133930894