Search a number
-
+
157846490 = 25197111701
BaseRepresentation
bin10010110100010…
…00101111011010
3102000000102200022
421122020233122
5310402041430
623355110442
73624446564
oct1132105732
9360012608
10157846490
118111144a
1244a42422
13269184b9
1416d6c334
15dcce4e5
hex9688bda

157846490 has 32 divisors (see below), whose sum is σ = 303315840. Its totient is φ = 58968000.

The previous prime is 157846489. The next prime is 157846523. The reversal of 157846490 is 94648751.

157846490 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7640 + ... + 19340.

It is an arithmetic number, because the mean of its divisors is an integer number (9478620).

Almost surely, 2157846490 is an apocalyptic number.

157846490 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

157846490 is a deficient number, since it is larger than the sum of its proper divisors (145469350).

157846490 is a wasteful number, since it uses less digits than its factorization.

157846490 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11798.

The product of its (nonzero) digits is 241920, while the sum is 44.

The square root of 157846490 is about 12563.6973061277. The cubic root of 157846490 is about 540.4368778233.

The spelling of 157846490 in words is "one hundred fifty-seven million, eight hundred forty-six thousand, four hundred ninety".

Divisors: 1 2 5 10 19 38 71 95 142 190 355 710 1349 2698 6745 11701 13490 23402 58505 117010 222319 444638 830771 1111595 1661542 2223190 4153855 8307710 15784649 31569298 78923245 157846490