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137749802 = 2312221771
BaseRepresentation
bin10000011010111…
…10010100101010
3100121012102012112
420031132110222
5240230443202
621400242322
73261565631
oct1015362452
9317172175
10137749802
1170835513
123a1703a2
1322700078
141441a518
15c15eb52
hex835e52a

137749802 has 8 divisors (see below), whose sum is σ = 213290112. Its totient is φ = 66653100.

The previous prime is 137749763. The next prime is 137749817. The reversal of 137749802 is 208947731.

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

It is a self number, because there is not a number n which added to its sum of digits gives 137749802.

It is an unprimeable number.

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, 1110824 + ... + 1110947.

It is an arithmetic number, because the mean of its divisors is an integer number (26661264).

Almost surely, 2137749802 is an apocalyptic number.

137749802 is a deficient number, since it is larger than the sum of its proper divisors (75540310).

137749802 is a wasteful number, since it uses less digits than its factorization.

137749802 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2221804.

The product of its (nonzero) digits is 84672, while the sum is 41.

The square root of 137749802 is about 11736.6861592189. The cubic root of 137749802 is about 516.4524330450.

The spelling of 137749802 in words is "one hundred thirty-seven million, seven hundred forty-nine thousand, eight hundred two".

Divisors: 1 2 31 62 2221771 4443542 68874901 137749802