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152143920 = 2434553443
BaseRepresentation
bin10010001000110…
…00100000110000
3101121021201020000
421010120200300
5302422101140
623032550000
73525126165
oct1104304060
9347251200
10152143920
1178976a85
1242b52300
132569c9b6
14162c606c
15d554a30
hex9118830

152143920 has 200 divisors, whose sum is σ = 539603856. Its totient is φ = 39716352.

The previous prime is 152143909. The next prime is 152143951. The reversal of 152143920 is 29341251.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 343219 + ... + 343661.

Almost surely, 2152143920 is an apocalyptic number.

152143920 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 152143920, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (269801928).

152143920 is an abundant number, since it is smaller than the sum of its proper divisors (387459936).

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

152143920 is a wasteful number, since it uses less digits than its factorization.

152143920 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 521 (or 506 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 27.

The square root of 152143920 is about 12334.6633517093. The cubic root of 152143920 is about 533.8487136136.

The spelling of 152143920 in words is "one hundred fifty-two million, one hundred forty-three thousand, nine hundred twenty".