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137027440 = 24511315023
BaseRepresentation
bin10000010101011…
…01111101110000
3100112211201022101
420022231331300
5240034334230
621332550144
73252466624
oct1012557560
9315751271
10137027440
1170391820
1239a82354
1322509334
14142ad184
15c06aaca
hex82adf70

137027440 has 80 divisors (see below), whose sum is σ = 358834176. Its totient is φ = 48211200.

The previous prime is 137027383. The next prime is 137027461. The reversal of 137027440 is 44720731.

137027440 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (80).

It is a junction number, because it is equal to n+sod(n) for n = 137027399 and 137027408.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 24769 + ... + 29791.

Almost surely, 2137027440 is an apocalyptic number.

137027440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 137027440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (179417088).

137027440 is an abundant number, since it is smaller than the sum of its proper divisors (221806736).

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

137027440 is a wasteful number, since it uses less digits than its factorization.

137027440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5078 (or 5072 counting only the distinct ones).

The product of its (nonzero) digits is 4704, while the sum is 28.

The square root of 137027440 is about 11705.8720307374. The cubic root of 137027440 is about 515.5480889999.

The spelling of 137027440 in words is "one hundred thirty-seven million, twenty-seven thousand, four hundred forty".

Divisors: 1 2 4 5 8 10 11 16 20 22 31 40 44 55 62 80 88 110 124 155 176 220 248 310 341 440 496 620 682 880 1240 1364 1705 2480 2728 3410 5023 5456 6820 10046 13640 20092 25115 27280 40184 50230 55253 80368 100460 110506 155713 200920 221012 276265 311426 401840 442024 552530 622852 778565 884048 1105060 1245704 1557130 1712843 2210120 2491408 3114260 3425686 4420240 6228520 6851372 8564215 12457040 13702744 17128430 27405488 34256860 68513720 137027440