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152531233 = 1394092683
BaseRepresentation
bin10010001011101…
…11000100100001
3101122000101111221
421011313010201
5303021444413
623045135041
73531331321
oct1105670441
9348011457
10152531233
1179110a78
12430ba481
13257a708a
1416387281
15d5ce68d
hex9177121

152531233 has 8 divisors (see below), whose sum is σ = 154061600. Its totient is φ = 151007328.

The previous prime is 152531231. The next prime is 152531243. The reversal of 152531233 is 332135251.

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

It is a cyclic number.

It is not a de Polignac number, because 152531233 - 21 = 152531231 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 152531198 and 152531207.

It is not an unprimeable number, because it can be changed into a prime (152531231) 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, 55510 + ... + 58192.

It is an arithmetic number, because the mean of its divisors is an integer number (19257700).

Almost surely, 2152531233 is an apocalyptic number.

It is an amenable number.

152531233 is a deficient number, since it is larger than the sum of its proper divisors (1530367).

152531233 is a wasteful number, since it uses less digits than its factorization.

152531233 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3231.

The product of its digits is 2700, while the sum is 25.

The square root of 152531233 is about 12350.3535576922. The cubic root of 152531233 is about 534.3013362340.

Adding to 152531233 its reverse (332135251), we get a palindrome (484666484).

The spelling of 152531233 in words is "one hundred fifty-two million, five hundred thirty-one thousand, two hundred thirty-three".

Divisors: 1 139 409 2683 56851 372937 1097347 152531233