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139754948 = 2234938737
BaseRepresentation
bin10000101010001…
…11110111000100
3100201222021202012
420111013313010
5241234124243
621511233352
73314616554
oct1025076704
9321867665
10139754948
1171984a63
123a978858
1322c52948
14147bd164
15c408d18
hex8547dc4

139754948 has 6 divisors (see below), whose sum is σ = 244571166. Its totient is φ = 69877472.

The previous prime is 139754939. The next prime is 139754959. The reversal of 139754948 is 849457931.

It can be written as a sum of positive squares in only one way, i.e., 73136704 + 66618244 = 8552^2 + 8162^2 .

It is a junction number, because it is equal to n+sod(n) for n = 139754896 and 139754905.

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 as a sum of consecutive naturals, namely, 17469365 + ... + 17469372.

It is an arithmetic number, because the mean of its divisors is an integer number (40761861).

Almost surely, 2139754948 is an apocalyptic number.

It is an amenable number.

139754948 is a deficient number, since it is larger than the sum of its proper divisors (104816218).

139754948 is a wasteful number, since it uses less digits than its factorization.

139754948 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34938741 (or 34938739 counting only the distinct ones).

The product of its digits is 1088640, while the sum is 50.

The square root of 139754948 is about 11821.7996937861. The cubic root of 139754948 is about 518.9462734717.

The spelling of 139754948 in words is "one hundred thirty-nine million, seven hundred fifty-four thousand, nine hundred forty-eight".

Divisors: 1 2 4 34938737 69877474 139754948