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151321460 = 2257566073
BaseRepresentation
bin10010000010011…
…11101101110100
3101112201221000112
421001033231310
5302214241320
623003202152
73515132303
oct1101175564
9345657015
10151321460
1178465064
1242816358
1325472534
141615043a
15d440ec5
hex904fb74

151321460 has 12 divisors (see below), whose sum is σ = 317775108. Its totient is φ = 60528576.

The previous prime is 151321421. The next prime is 151321463. The reversal of 151321460 is 64123151.

151321460 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 2 ways, for example, as 57851236 + 93470224 = 7606^2 + 9668^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (151321463) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3783017 + ... + 3783056.

It is an arithmetic number, because the mean of its divisors is an integer number (26481259).

Almost surely, 2151321460 is an apocalyptic number.

151321460 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

151321460 is an abundant number, since it is smaller than the sum of its proper divisors (166453648).

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

151321460 is a wasteful number, since it uses less digits than its factorization.

151321460 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7566082 (or 7566080 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 23.

The square root of 151321460 is about 12301.2787953123. The cubic root of 151321460 is about 532.8850147432.

The spelling of 151321460 in words is "one hundred fifty-one million, three hundred twenty-one thousand, four hundred sixty".

Divisors: 1 2 4 5 10 20 7566073 15132146 30264292 37830365 75660730 151321460