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152403242 = 2376120261
BaseRepresentation
bin10010001010101…
…11110100101010
3101121202212221112
421011113310222
5303003400432
623042310322
73530256215
oct1105276452
9347685845
10152403242
11790338a2
12430583a2
1325760a44
141635277c
15d5a67b2
hex9157d2a

152403242 has 8 divisors (see below), whose sum is σ = 228676932. Its totient is φ = 76177600.

The previous prime is 152403239. The next prime is 152403257. The reversal of 152403242 is 242304251.

It is a happy number.

152403242 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 132963961 + 19439281 = 11531^2 + 4409^2 .

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

It is a super-2 number, since 2×1524032422 = 46453496344221128, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2609 + ... + 17652.

Almost surely, 2152403242 is an apocalyptic number.

152403242 is a deficient number, since it is larger than the sum of its proper divisors (76273690).

152403242 is a wasteful number, since it uses less digits than its factorization.

152403242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24024.

The product of its (nonzero) digits is 1920, while the sum is 23.

The square root of 152403242 is about 12345.1707967124. The cubic root of 152403242 is about 534.1518479451.

Adding to 152403242 its reverse (242304251), we get a palindrome (394707493).

The spelling of 152403242 in words is "one hundred fifty-two million, four hundred three thousand, two hundred forty-two".

Divisors: 1 2 3761 7522 20261 40522 76201621 152403242