Search a number
-
+
157062644 = 22269145969
BaseRepresentation
bin10010101110010…
…01010111110100
3101221112121102222
421113021113310
5310202001034
623330221512
73615003404
oct1127112764
9357477388
10157062644
1180726542
1244724898
132670279b
1416c06804
15dbc712e
hex95c95f4

157062644 has 12 divisors (see below), whose sum is σ = 275883300. Its totient is φ = 78238848.

The previous prime is 157062641. The next prime is 157062667. The reversal of 157062644 is 446260751.

It can be written as a sum of positive squares in 2 ways, for example, as 26646244 + 130416400 = 5162^2 + 11420^2 .

It is a super-3 number, since 3×1570626443 (a number of 26 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (157062641) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 71909 + ... + 74060.

It is an arithmetic number, because the mean of its divisors is an integer number (22990275).

Almost surely, 2157062644 is an apocalyptic number.

It is an amenable number.

157062644 is a deficient number, since it is larger than the sum of its proper divisors (118820656).

157062644 is a wasteful number, since it uses less digits than its factorization.

157062644 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 146242 (or 146240 counting only the distinct ones).

The product of its (nonzero) digits is 40320, while the sum is 35.

The square root of 157062644 is about 12532.4636045751. The cubic root of 157062644 is about 539.5408122019.

The spelling of 157062644 in words is "one hundred fifty-seven million, sixty-two thousand, six hundred forty-four".

Divisors: 1 2 4 269 538 1076 145969 291938 583876 39265661 78531322 157062644