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157020 = 22352617
BaseRepresentation
bin100110010101011100
321222101120
4212111130
520011040
63210540
71222533
oct462534
9258346
10157020
11a7a76
1276a50
1356616
144131a
15317d0
hex2655c

157020 has 24 divisors (see below), whose sum is σ = 439824. Its totient is φ = 41856.

The previous prime is 157019. The next prime is 157037. The reversal of 157020 is 20751.

It is a happy number.

157020 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1249 + ... + 1368.

It is an arithmetic number, because the mean of its divisors is an integer number (18326).

2157020 is an apocalyptic number.

157020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

157020 is an abundant number, since it is smaller than the sum of its proper divisors (282804).

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

157020 is a wasteful number, since it uses less digits than its factorization.

157020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2629 (or 2627 counting only the distinct ones).

The product of its (nonzero) digits is 70, while the sum is 15.

The square root of 157020 is about 396.2574920427. The cubic root of 157020 is about 53.9491977630.

Adding to 157020 its reverse (20751), we get a palindrome (177771).

The spelling of 157020 in words is "one hundred fifty-seven thousand, twenty".

Divisors: 1 2 3 4 5 6 10 12 15 20 30 60 2617 5234 7851 10468 13085 15702 26170 31404 39255 52340 78510 157020