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153501140 = 22513590389
BaseRepresentation
bin10010010011000…
…11110111010100
3101200211122222102
421021203313110
5303244014030
623122021232
73542511122
oct1111436724
9350748872
10153501140
1179713751
12434a7818
1325a566a0
141655a912
15d721c45
hex9263dd4

153501140 has 24 divisors (see below), whose sum is σ = 347149320. Its totient is φ = 56677248.

The previous prime is 153501083. The next prime is 153501157. The reversal of 153501140 is 41105351.

153501140 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 13410244 + 140090896 = 3662^2 + 11836^2 .

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 294935 + ... + 295454.

It is an arithmetic number, because the mean of its divisors is an integer number (14464555).

Almost surely, 2153501140 is an apocalyptic number.

153501140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

153501140 is an abundant number, since it is smaller than the sum of its proper divisors (193648180).

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

153501140 is a wasteful number, since it uses less digits than its factorization.

153501140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 590411 (or 590409 counting only the distinct ones).

The product of its (nonzero) digits is 300, while the sum is 20.

The square root of 153501140 is about 12389.5576999342. The cubic root of 153501140 is about 535.4314393282.

Adding to 153501140 its reverse (41105351), we get a palindrome (194606491).

The spelling of 153501140 in words is "one hundred fifty-three million, five hundred one thousand, one hundred forty".

Divisors: 1 2 4 5 10 13 20 26 52 65 130 260 590389 1180778 2361556 2951945 5903890 7675057 11807780 15350114 30700228 38375285 76750570 153501140