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158980340 = 2257949017
BaseRepresentation
bin10010111100111…
…01100011110100
3102002011001000202
421132131203310
5311144332330
623435300032
73640211351
oct1136354364
9362131022
10158980340
1181816312
12452aa618
1326c2460c
1417185628
15de55445
hex979d8f4

158980340 has 12 divisors (see below), whose sum is σ = 333858756. Its totient is φ = 63592128.

The previous prime is 158980321. The next prime is 158980387. The reversal of 158980340 is 43089851.

It can be written as a sum of positive squares in 2 ways, for example, as 31832164 + 127148176 = 5642^2 + 11276^2 .

It is a junction number, because it is equal to n+sod(n) for n = 158980294 and 158980303.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3974489 + ... + 3974528.

It is an arithmetic number, because the mean of its divisors is an integer number (27821563).

Almost surely, 2158980340 is an apocalyptic number.

158980340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

158980340 is an abundant number, since it is smaller than the sum of its proper divisors (174878416).

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

158980340 is a wasteful number, since it uses less digits than its factorization.

158980340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7949026 (or 7949024 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 38.

The square root of 158980340 is about 12608.7406191102. The cubic root of 158980340 is about 541.7278218395.

The spelling of 158980340 in words is "one hundred fifty-eight million, nine hundred eighty thousand, three hundred forty".

Divisors: 1 2 4 5 10 20 7949017 15898034 31796068 39745085 79490170 158980340