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157066648 = 2319633331
BaseRepresentation
bin10010101110010…
…10010110011000
3101221112210221021
421113022112120
5310202113043
623330252224
73615021154
oct1127122630
9357483837
10157066648
1180729552
1244727074
132670455b
1416c08064
15dbc83ed
hex95ca598

157066648 has 8 divisors (see below), whose sum is σ = 294499980. Its totient is φ = 78533320.

The previous prime is 157066633. The next prime is 157066661. The reversal of 157066648 is 846660751.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9816658 + ... + 9816673.

Almost surely, 2157066648 is an apocalyptic number.

It is an amenable number.

157066648 is a deficient number, since it is larger than the sum of its proper divisors (137433332).

157066648 is a wasteful number, since it uses less digits than its factorization.

157066648 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19633337 (or 19633333 counting only the distinct ones).

The product of its (nonzero) digits is 241920, while the sum is 43.

The square root of 157066648 is about 12532.6233486848. The cubic root of 157066648 is about 539.5453970033.

The spelling of 157066648 in words is "one hundred fifty-seven million, sixty-six thousand, six hundred forty-eight".

Divisors: 1 2 4 8 19633331 39266662 78533324 157066648