Search a number
-
+
152402242 = 2531437757
BaseRepresentation
bin10010001010101…
…11100101000010
3101121202211120111
421011113211002
5303003332432
623042301534
73530253256
oct1105274502
9347684514
10152402242
1179033073
12430578aa
1325760455
1416352266
15d5a6347
hex9157942

152402242 has 8 divisors (see below), whose sum is σ = 232916796. Its totient is φ = 74763312.

The previous prime is 152402227. The next prime is 152402273. The reversal of 152402242 is 242204251.

It can be written as a sum of positive squares in 2 ways, for example, as 152250921 + 151321 = 12339^2 + 389^2 .

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

It is a super-4 number, since 4×1524022424 (a number of 34 digits) contains 4444 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, 718773 + ... + 718984.

Almost surely, 2152402242 is an apocalyptic number.

152402242 is a deficient number, since it is larger than the sum of its proper divisors (80514554).

152402242 is a wasteful number, since it uses less digits than its factorization.

152402242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1437812.

The product of its (nonzero) digits is 1280, while the sum is 22.

The square root of 152402242 is about 12345.1302949787. The cubic root of 152402242 is about 534.1506796563.

Adding to 152402242 its reverse (242204251), we get a palindrome (394606493).

The spelling of 152402242 in words is "one hundred fifty-two million, four hundred two thousand, two hundred forty-two".

Divisors: 1 2 53 106 1437757 2875514 76201121 152402242