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151002240 = 2735314359
BaseRepresentation
bin10010000000000…
…01110010000000
3101112010201010120
421000001302000
5302124032430
622552300240
73512332524
oct1100016200
9345121116
10151002240
1178267244
12426a1680
132539014c
14160a9d84
15d3cb610
hex9001c80

151002240 has 256 divisors, whose sum is σ = 517017600. Its totient is φ = 37416960.

The previous prime is 151002227. The next prime is 151002251. The reversal of 151002240 is 42200151.

It is a Harshad number since it is a multiple of its sum of digits (15).

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, 2559331 + ... + 2559389.

It is an arithmetic number, because the mean of its divisors is an integer number (2019600).

Almost surely, 2151002240 is an apocalyptic number.

151002240 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 151002240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (258508800).

151002240 is an abundant number, since it is smaller than the sum of its proper divisors (366015360).

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

151002240 is a wasteful number, since it uses less digits than its factorization.

151002240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 155 (or 143 counting only the distinct ones).

The product of its (nonzero) digits is 80, while the sum is 15.

The square root of 151002240 is about 12288.2968714139. The cubic root of 151002240 is about 532.5100352977.

Adding to 151002240 its reverse (42200151), we get a palindrome (193202391).

The spelling of 151002240 in words is "one hundred fifty-one million, two thousand, two hundred forty".