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152970833 = 314934543
BaseRepresentation
bin10010001111000…
…10011001010001
3101122211201112102
421013202121101
5303130031313
623102410145
73535142051
oct1107423121
9348751472
10152970833
1179391284
1243290955
13258cc1b2
141645d561
15d669a58
hex91e2651

152970833 has 4 divisors (see below), whose sum is σ = 157905408. Its totient is φ = 148036260.

The previous prime is 152970821. The next prime is 152970847. The reversal of 152970833 is 338079251.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 338079251 = 1390324317.

It is a cyclic number.

It is not a de Polignac number, because 152970833 - 24 = 152970817 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (152970803) 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, 2467241 + ... + 2467302.

It is an arithmetic number, because the mean of its divisors is an integer number (39476352).

Almost surely, 2152970833 is an apocalyptic number.

It is an amenable number.

152970833 is a deficient number, since it is larger than the sum of its proper divisors (4934575).

152970833 is an equidigital number, since it uses as much as digits as its factorization.

152970833 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4934574.

The product of its (nonzero) digits is 45360, while the sum is 38.

The square root of 152970833 is about 12368.1378145621. The cubic root of 152970833 is about 534.8141352206.

The spelling of 152970833 in words is "one hundred fifty-two million, nine hundred seventy thousand, eight hundred thirty-three".

Divisors: 1 31 4934543 152970833