Search a number
-
+
149797234 = 21720992
BaseRepresentation
bin10001110110110…
…11100101110010
3101102212111011201
420323123211302
5301322002414
622510401414
73466153426
oct1073334562
9342774151
10149797234
1177613974
124220026a
132505a822
1415c74b86
15d23e574
hex8edb972

149797234 has 12 divisors (see below), whose sum is σ = 238026654. Its totient is φ = 70459232.

The previous prime is 149797211. The next prime is 149797243. The reversal of 149797234 is 432797941.

It can be written as a sum of positive squares in only one way, i.e., 110145025 + 39652209 = 10495^2 + 6297^2 .

It is a super-2 number, since 2×1497972342 = 44878422628101512, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 70317 + ... + 72415.

Almost surely, 2149797234 is an apocalyptic number.

149797234 is a deficient number, since it is larger than the sum of its proper divisors (88229420).

149797234 is an frugal number, since it uses more digits than its factorization.

149797234 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4217 (or 2118 counting only the distinct ones).

The product of its digits is 381024, while the sum is 46.

The square root of 149797234 is about 12239.1680272803. The cubic root of 149797234 is about 531.0897643805.

The spelling of 149797234 in words is "one hundred forty-nine million, seven hundred ninety-seven thousand, two hundred thirty-four".

Divisors: 1 2 17 34 2099 4198 35683 71366 4405801 8811602 74898617 149797234