Base | Representation |
---|---|
bin | 10010101110011… |
… | …00000001010000 |
3 | 101221120011022121 |
4 | 21113030001100 |
5 | 310202322423 |
6 | 23330344024 |
7 | 3615050125 |
oct | 1127140120 |
9 | 357504277 |
10 | 157073488 |
11 | 80733700 |
12 | 4472b014 |
13 | 267076c0 |
14 | 16c0a74c |
15 | dbca45d |
hex | 95cc050 |
157073488 has 90 divisors (see below), whose sum is σ = 364860762. Its totient is φ = 65070720.
The previous prime is 157073479. The next prime is 157073507. The reversal of 157073488 is 884370751.
It can be written as a sum of positive squares in only one way, i.e., 108743184 + 48330304 = 10428^2 + 6952^2 .
It is a super-2 number, since 2×1570734882 = 49344161264972288, which contains 22 as substring.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 1988233 + ... + 1988311.
Almost surely, 2157073488 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 157073488, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (182430381).
157073488 is an abundant number, since it is smaller than the sum of its proper divisors (207787274).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
157073488 is a wasteful number, since it uses less digits than its factorization.
157073488 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 201 (or 105 counting only the distinct ones).
The product of its (nonzero) digits is 188160, while the sum is 43.
The square root of 157073488 is about 12532.8962335128. The cubic root of 157073488 is about 539.5532290011.
The spelling of 157073488 in words is "one hundred fifty-seven million, seventy-three thousand, four hundred eighty-eight".
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