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152255740 = 2257213171937
BaseRepresentation
bin10010001001100…
…11110011111100
3101121111101121111
421010303303330
5302434140430
623035211404
73526103200
oct1104636374
9347441544
10152255740
1178a42a9a
1242ba6b64
132570b870
1416314b00
15d577c2a
hex9133cfc

152255740 has 288 divisors, whose sum is σ = 458498880. Its totient is φ = 41803776.

The previous prime is 152255711. The next prime is 152255749. The reversal of 152255740 is 47552251.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (152255749) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 4115002 + ... + 4115038.

It is an arithmetic number, because the mean of its divisors is an integer number (1592010).

Almost surely, 2152255740 is an apocalyptic number.

152255740 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 152255740, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (229249440).

152255740 is an abundant number, since it is smaller than the sum of its proper divisors (306243140).

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

152255740 is a wasteful number, since it uses less digits than its factorization.

152255740 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 109 (or 100 counting only the distinct ones).

The product of its (nonzero) digits is 14000, while the sum is 31.

The square root of 152255740 is about 12339.1952735987. The cubic root of 152255740 is about 533.9794677588.

The spelling of 152255740 in words is "one hundred fifty-two million, two hundred fifty-five thousand, seven hundred forty".