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152225300 = 22521522253
BaseRepresentation
bin10010001001011…
…00011000010100
3101121102211212002
421010230120110
5302432202200
623034414432
73525615353
oct1104543024
9347384762
10152225300
1178a22137
1242b91418
13256caa56
141630799a
15d56dbd5
hex912c614

152225300 has 18 divisors (see below), whose sum is σ = 330329118. Its totient is φ = 60890080.

The previous prime is 152225299. The next prime is 152225309. The reversal of 152225300 is 3522251.

It can be written as a sum of positive squares in 3 ways, for example, as 9709456 + 142515844 = 3116^2 + 11938^2 .

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (152225309) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 761027 + ... + 761226.

Almost surely, 2152225300 is an apocalyptic number.

152225300 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

152225300 is an abundant number, since it is smaller than the sum of its proper divisors (178103818).

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

152225300 is a wasteful number, since it uses less digits than its factorization.

152225300 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1522267 (or 1522260 counting only the distinct ones).

The product of its (nonzero) digits is 600, while the sum is 20.

The square root of 152225300 is about 12337.9617441456. The cubic root of 152225300 is about 533.9438797883.

Adding to 152225300 its reverse (3522251), we get a palindrome (155747551).

The spelling of 152225300 in words is "one hundred fifty-two million, two hundred twenty-five thousand, three hundred".

Divisors: 1 2 4 5 10 20 25 50 100 1522253 3044506 6089012 7611265 15222530 30445060 38056325 76112650 152225300