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137769448 = 2323751997
BaseRepresentation
bin10000011011000…
…11000111101000
3100121020102011011
420031203013220
5240232110243
621400513304
73262010125
oct1015430750
9317212134
10137769448
1170849253
123a17b834
1322708cab
141442374c
15c16589d
hex83631e8

137769448 has 32 divisors (see below), whose sum is σ = 270178560. Its totient is φ = 65736000.

The previous prime is 137769431. The next prime is 137769449. The reversal of 137769448 is 844967731.

It is a Smith number, since the sum of its digits (49) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (137769449) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 137686 + ... + 138682.

It is an arithmetic number, because the mean of its divisors is an integer number (8443080).

Almost surely, 2137769448 is an apocalyptic number.

It is an amenable number.

137769448 is a deficient number, since it is larger than the sum of its proper divisors (132409112).

137769448 is a wasteful number, since it uses less digits than its factorization.

137769448 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1777 (or 1773 counting only the distinct ones).

The product of its digits is 1016064, while the sum is 49.

The square root of 137769448 is about 11737.5230777196. The cubic root of 137769448 is about 516.4769841806.

The spelling of 137769448 in words is "one hundred thirty-seven million, seven hundred sixty-nine thousand, four hundred forty-eight".

Divisors: 1 2 4 8 23 46 92 184 751 997 1502 1994 3004 3988 6008 7976 17273 22931 34546 45862 69092 91724 138184 183448 748747 1497494 2994988 5989976 17221181 34442362 68884724 137769448