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154013730 = 235131093623
BaseRepresentation
bin10010010111000…
…01000000100010
3101201210201010020
421023201000202
5303411414410
623141014310
73550044423
oct1113410042
9351721106
10154013730
1179a33882
12436b4396
1325ba5ab0
141665164a
15d7c3a70
hex92e1022

154013730 has 64 divisors (see below), whose sum is σ = 401829120. Its totient is φ = 37552896.

The previous prime is 154013723. The next prime is 154013747. The reversal of 154013730 is 37310451.

It is a self number, because there is not a number n which added to its sum of digits gives 154013730.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 40699 + ... + 44321.

It is an arithmetic number, because the mean of its divisors is an integer number (6278580).

Almost surely, 2154013730 is an apocalyptic number.

154013730 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 154013730, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (200914560).

154013730 is an abundant number, since it is smaller than the sum of its proper divisors (247815390).

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

154013730 is a wasteful number, since it uses less digits than its factorization.

154013730 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3755.

The product of its (nonzero) digits is 1260, while the sum is 24.

The square root of 154013730 is about 12410.2268311260. The cubic root of 154013730 is about 536.0267701228.

The spelling of 154013730 in words is "one hundred fifty-four million, thirteen thousand, seven hundred thirty".

Divisors: 1 2 3 5 6 10 13 15 26 30 39 65 78 109 130 195 218 327 390 545 654 1090 1417 1635 2834 3270 3623 4251 7085 7246 8502 10869 14170 18115 21255 21738 36230 42510 47099 54345 94198 108690 141297 235495 282594 394907 470990 706485 789814 1184721 1412970 1974535 2369442 3949070 5133791 5923605 10267582 11847210 15401373 25668955 30802746 51337910 77006865 154013730