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159268540 = 22510517577
BaseRepresentation
bin10010111111000…
…11111010111100
3102002200200100211
421133203322330
5311233043130
623445402204
73642521524
oct1137437274
9362620324
10159268540
11819a28a2
1245409364
1326cc5852
141721c684
15deb0a2a
hex97e3ebc

159268540 has 24 divisors (see below), whose sum is σ = 334826352. Its totient is φ = 63638400.

The previous prime is 159268531. The next prime is 159268547. The reversal of 159268540 is 45862951.

It is a hoax number, since the sum of its digits (40) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 159268493 and 159268502.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (159268547) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17232 + ... + 24808.

It is an arithmetic number, because the mean of its divisors is an integer number (13951098).

Almost surely, 2159268540 is an apocalyptic number.

159268540 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

159268540 is an abundant number, since it is smaller than the sum of its proper divisors (175557812).

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

159268540 is a wasteful number, since it uses less digits than its factorization.

159268540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8637 (or 8635 counting only the distinct ones).

The product of its (nonzero) digits is 86400, while the sum is 40.

The square root of 159268540 is about 12620.1640242907. The cubic root of 159268540 is about 542.0549727968.

The spelling of 159268540 in words is "one hundred fifty-nine million, two hundred sixty-eight thousand, five hundred forty".

Divisors: 1 2 4 5 10 20 1051 2102 4204 5255 7577 10510 15154 21020 30308 37885 75770 151540 7963427 15926854 31853708 39817135 79634270 159268540