Search a number
-
+
137372299 = 197230121
BaseRepresentation
bin10000011000000…
…10001010001011
3100120111020100221
420030002022023
5240131403144
621344210511
73255434221
oct1014021213
9316436327
10137372299
11705a7929
123a009a37
13225ca2ac
141435cb11
15c0d7d84
hex830228b

137372299 has 4 divisors (see below), whose sum is σ = 144602440. Its totient is φ = 130142160.

The previous prime is 137372293. The next prime is 137372309. The reversal of 137372299 is 992273731.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 992273731 = 1758369043.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-137372299 is a prime.

It is a super-2 number, since 2×1373722992 = 37742297065090802, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (137372293) 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, 3615042 + ... + 3615079.

It is an arithmetic number, because the mean of its divisors is an integer number (36150610).

Almost surely, 2137372299 is an apocalyptic number.

137372299 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

137372299 is a deficient number, since it is larger than the sum of its proper divisors (7230141).

137372299 is an equidigital number, since it uses as much as digits as its factorization.

137372299 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7230140.

The product of its digits is 142884, while the sum is 43.

The square root of 137372299 is about 11720.5929457515. The cubic root of 137372299 is about 515.9802225358.

The spelling of 137372299 in words is "one hundred thirty-seven million, three hundred seventy-two thousand, two hundred ninety-nine".

Divisors: 1 19 7230121 137372299