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157790050 = 2521132371
BaseRepresentation
bin10010110011110…
…10111101100010
3101222220120020221
421121322331202
5310343240200
623353553254
73624123205
oct1131727542
9358816227
10157790050
1181083000
1244a1582a
13268c88c2
1416d5593c
15dcbc91a
hex967af62

157790050 has 48 divisors (see below), whose sum is σ = 322952544. Its totient is φ = 57354000.

The previous prime is 157790029. The next prime is 157790053. The reversal of 157790050 is 50097751.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 157789988 and 157790015.

It is not an unprimeable number, because it can be changed into a prime (157790053) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 65365 + ... + 67735.

It is an arithmetic number, because the mean of its divisors is an integer number (6728178).

Almost surely, 2157790050 is an apocalyptic number.

157790050 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

157790050 is an abundant number, since it is smaller than the sum of its proper divisors (165162494).

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

157790050 is a wasteful number, since it uses less digits than its factorization.

157790050 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2416 (or 2389 counting only the distinct ones).

The product of its (nonzero) digits is 11025, while the sum is 34.

The square root of 157790050 is about 12561.4509512237. The cubic root of 157790050 is about 540.3724568076.

The spelling of 157790050 in words is "one hundred fifty-seven million, seven hundred ninety thousand, fifty".

Divisors: 1 2 5 10 11 22 25 50 55 110 121 242 275 550 605 1210 1331 2371 2662 3025 4742 6050 6655 11855 13310 23710 26081 33275 52162 59275 66550 118550 130405 260810 286891 573782 652025 1304050 1434455 2868910 3155801 6311602 7172275 14344550 15779005 31558010 78895025 157790050