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157073488 = 2411213792
BaseRepresentation
bin10010101110011…
…00000001010000
3101221120011022121
421113030001100
5310202322423
623330344024
73615050125
oct1127140120
9357504277
10157073488
1180733700
124472b014
13267076c0
1416c0a74c
15dbca45d
hex95cc050

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".

Divisors: 1 2 4 8 11 13 16 22 26 44 52 79 88 104 121 143 158 176 208 242 286 316 484 572 632 869 968 1027 1144 1264 1573 1738 1936 2054 2288 3146 3476 4108 6241 6292 6952 8216 9559 11297 12482 12584 13904 16432 19118 22594 24964 25168 38236 45188 49928 68651 76472 81133 90376 99856 124267 137302 152944 162266 180752 248534 274604 324532 497068 549208 649064 755161 892463 994136 1098416 1298128 1510322 1784926 1988272 3020644 3569852 6041288 7139704 9817093 12082576 14279408 19634186 39268372 78536744 157073488