Search a number
-
+
157234450 = 2523144689
BaseRepresentation
bin10010101111100…
…11010100010010
3101221212100010011
421113303110102
5310223000300
623334025134
73616320322
oct1127632422
9357770104
10157234450
118083362a
12447a81aa
1326762a49
1416c4d282
15dc0ceba
hex95f3512

157234450 has 12 divisors (see below), whose sum is σ = 292456170. Its totient is φ = 62893760.

The previous prime is 157234421. The next prime is 157234459. The reversal of 157234450 is 54432751.

157234450 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 3 ways, for example, as 146482609 + 10751841 = 12103^2 + 3279^2 .

It is not an unprimeable number, because it can be changed into a prime (157234459) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1572295 + ... + 1572394.

Almost surely, 2157234450 is an apocalyptic number.

157234450 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

157234450 is a deficient number, since it is larger than the sum of its proper divisors (135221720).

157234450 is a wasteful number, since it uses less digits than its factorization.

157234450 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3144701 (or 3144696 counting only the distinct ones).

The product of its (nonzero) digits is 16800, while the sum is 31.

The square root of 157234450 is about 12539.3161695525. The cubic root of 157234450 is about 539.7374695520.

The spelling of 157234450 in words is "one hundred fifty-seven million, two hundred thirty-four thousand, four hundred fifty".

Divisors: 1 2 5 10 25 50 3144689 6289378 15723445 31446890 78617225 157234450