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158970240 = 273251113193
BaseRepresentation
bin10010111100110…
…11000110000000
3102002010112011200
421132123012000
5311144021430
623435141200
73640140042
oct1136330600
9362115150
10158970240
1181809770
12452a4800
1326c1cb40
1417181a92
15de52460
hex979b180

158970240 has 384 divisors, whose sum is σ = 648254880. Its totient is φ = 35389440.

The previous prime is 158970239. The next prime is 158970277. The reversal of 158970240 is 42079851.

158970240 is a `hidden beast` number, since 1 + 589 + 70 + 2 + 4 + 0 = 666.

It is a tau number, because it is divible by the number of its divisors (384).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 158970195 and 158970204.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 823584 + ... + 823776.

Almost surely, 2158970240 is an apocalyptic number.

158970240 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 158970240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (324127440).

158970240 is an abundant number, since it is smaller than the sum of its proper divisors (489284640).

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

158970240 is a wasteful number, since it uses less digits than its factorization.

158970240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 242 (or 227 counting only the distinct ones).

The product of its (nonzero) digits is 20160, while the sum is 36.

The square root of 158970240 is about 12608.3400969358. The cubic root of 158970240 is about 541.7163496309.

The spelling of 158970240 in words is "one hundred fifty-eight million, nine hundred seventy thousand, two hundred forty".