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137540480 = 2757112791
BaseRepresentation
bin10000011001010…
…11001110000000
3100120210210001212
420030223032000
5240202243410
621351545252
73260034440
oct1014531600
9316723055
10137540480
1170702220
123a08b228
13226589cc
14143a4120
15c11cb05
hex832b380

137540480 has 128 divisors (see below), whose sum is σ = 410088960. Its totient is φ = 42854400.

The previous prime is 137540479. The next prime is 137540497. The reversal of 137540480 is 84045731.

It is a tau number, because it is divible by the number of its divisors (128).

It is a Harshad number since it is a multiple of its sum of digits (32).

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, 47885 + ... + 50675.

It is an arithmetic number, because the mean of its divisors is an integer number (3203820).

Almost surely, 2137540480 is an apocalyptic number.

137540480 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 137540480, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (205044480).

137540480 is an abundant number, since it is smaller than the sum of its proper divisors (272548480).

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

137540480 is a wasteful number, since it uses less digits than its factorization.

137540480 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2828 (or 2816 counting only the distinct ones).

The product of its (nonzero) digits is 13440, while the sum is 32.

The square root of 137540480 is about 11727.7653455379. The cubic root of 137540480 is about 516.1907033028.

The spelling of 137540480 in words is "one hundred thirty-seven million, five hundred forty thousand, four hundred eighty".

Divisors: 1 2 4 5 7 8 10 11 14 16 20 22 28 32 35 40 44 55 56 64 70 77 80 88 110 112 128 140 154 160 176 220 224 280 308 320 352 385 440 448 560 616 640 704 770 880 896 1120 1232 1408 1540 1760 2240 2464 2791 3080 3520 4480 4928 5582 6160 7040 9856 11164 12320 13955 19537 22328 24640 27910 30701 39074 44656 49280 55820 61402 78148 89312 97685 111640 122804 153505 156296 178624 195370 214907 223280 245608 307010 312592 357248 390740 429814 446560 491216 614020 625184 781480 859628 893120 982432 1074535 1228040 1250368 1562960 1719256 1786240 1964864 2149070 2456080 2500736 3125920 3438512 3929728 4298140 4912160 6251840 6877024 8596280 9824320 12503680 13754048 17192560 19648640 27508096 34385120 68770240 137540480