Search a number
-
+
152257407 = 3167303907
BaseRepresentation
bin10010001001101…
…00001101111111
3101121111110220020
421010310031333
5302434214112
623035223223
73526111101
oct1104641577
9347443806
10152257407
1178a44275
1242ba7b13
132570c553
1416315571
15d57848c
hex913437f

152257407 has 8 divisors (see below), whose sum is σ = 204226176. Its totient is φ = 100896792.

The previous prime is 152257397. The next prime is 152257409. The reversal of 152257407 is 704752251.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 152257407 - 211 = 152255359 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (152257409) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 151453 + ... + 152454.

It is an arithmetic number, because the mean of its divisors is an integer number (25528272).

Almost surely, 2152257407 is an apocalyptic number.

152257407 is a deficient number, since it is larger than the sum of its proper divisors (51968769).

152257407 is a wasteful number, since it uses less digits than its factorization.

152257407 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 304077.

The product of its (nonzero) digits is 19600, while the sum is 33.

The square root of 152257407 is about 12339.2628223894. The cubic root of 152257407 is about 533.9814165425.

The spelling of 152257407 in words is "one hundred fifty-two million, two hundred fifty-seven thousand, four hundred seven".

Divisors: 1 3 167 501 303907 911721 50752469 152257407