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157005244 = 22112324391
BaseRepresentation
bin10010101101110…
…11010110111100
3101221102200201001
421112323112330
5310143131434
623325100044
73614344144
oct1126732674
9357380631
10157005244
1180697400
12446b7624
13266b2616
1416bcd924
15dbb5114
hex95bb5bc

157005244 has 18 divisors (see below), whose sum is σ = 302008952. Its totient is φ = 71365800.

The previous prime is 157005241. The next prime is 157005271. The reversal of 157005244 is 442500751.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (157005241) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 161712 + ... + 162679.

Almost surely, 2157005244 is an apocalyptic number.

It is an amenable number.

157005244 is a deficient number, since it is larger than the sum of its proper divisors (145003708).

157005244 is a wasteful number, since it uses less digits than its factorization.

157005244 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 324417 (or 324404 counting only the distinct ones).

The product of its (nonzero) digits is 5600, while the sum is 28.

The square root of 157005244 is about 12530.1733427754. The cubic root of 157005244 is about 539.4750774622.

Adding to 157005244 its reverse (442500751), we get a palindrome (599505995).

The spelling of 157005244 in words is "one hundred fifty-seven million, five thousand, two hundred forty-four".

Divisors: 1 2 4 11 22 44 121 242 484 324391 648782 1297564 3568301 7136602 14273204 39251311 78502622 157005244