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135554020 = 22571079049
BaseRepresentation
bin10000001010001…
…10001111100100
3100110001212011021
420011012033210
5234200212040
621241220524
73234122140
oct1005061744
9313055137
10135554020
116a575818
1239491744
13221117a4
1414008220
15bd7924a
hex81463e4

135554020 has 48 divisors (see below), whose sum is σ = 328406400. Its totient is φ = 46036224.

The previous prime is 135554011. The next prime is 135554021. The reversal of 135554020 is 20455531.

It is not an unprimeable number, because it can be changed into a prime (135554021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10456 + ... + 19504.

It is an arithmetic number, because the mean of its divisors is an integer number (6841800).

Almost surely, 2135554020 is an apocalyptic number.

135554020 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 135554020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (164203200).

135554020 is an abundant number, since it is smaller than the sum of its proper divisors (192852380).

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

135554020 is a wasteful number, since it uses less digits than its factorization.

135554020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9172 (or 9170 counting only the distinct ones).

The product of its (nonzero) digits is 3000, while the sum is 25.

The square root of 135554020 is about 11642.7668532871. The cubic root of 135554020 is about 513.6935750235.

The spelling of 135554020 in words is "one hundred thirty-five million, five hundred fifty-four thousand, twenty".

Divisors: 1 2 4 5 7 10 14 20 28 35 70 107 140 214 428 535 749 1070 1498 2140 2996 3745 7490 9049 14980 18098 36196 45245 63343 90490 126686 180980 253372 316715 633430 968243 1266860 1936486 3872972 4841215 6777701 9682430 13555402 19364860 27110804 33888505 67777010 135554020