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157828482 = 23277317159
BaseRepresentation
bin10010110100001…
…00010110000010
3101222222111222100
421122010112002
5310401002412
623354451230
73624343230
oct1132042602
9358874870
10157828482
11810a9969
1244a33b16
1326910246
1416d65950
15dcc8edc
hex9684582

157828482 has 48 divisors (see below), whose sum is σ = 396190080. Its totient is φ = 44473536.

The previous prime is 157828441. The next prime is 157828519. The reversal of 157828482 is 284828751.

It is a happy number.

It is a hoax number, since the sum of its digits (45) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 619 + ... + 17777.

It is an arithmetic number, because the mean of its divisors is an integer number (8253960).

Almost surely, 2157828482 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 157828482, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (198095040).

157828482 is an abundant number, since it is smaller than the sum of its proper divisors (238361598).

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

157828482 is a wasteful number, since it uses less digits than its factorization.

157828482 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17247 (or 17244 counting only the distinct ones).

The product of its digits is 286720, while the sum is 45.

The square root of 157828482 is about 12562.9806176719. The cubic root of 157828482 is about 540.4163250330.

The spelling of 157828482 in words is "one hundred fifty-seven million, eight hundred twenty-eight thousand, four hundred eighty-two".

Divisors: 1 2 3 6 7 9 14 18 21 42 63 73 126 146 219 438 511 657 1022 1314 1533 3066 4599 9198 17159 34318 51477 102954 120113 154431 240226 308862 360339 720678 1081017 1252607 2162034 2505214 3757821 7515642 8768249 11273463 17536498 22546926 26304747 52609494 78914241 157828482