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152097947 = 269356479
BaseRepresentation
bin10010001000011…
…01010010011011
3101121012101011022
421010031102123
5302414113242
623031553055
73524545151
oct1104152233
9347171138
10152097947
1178945491
1242b2b78b
1325684ab1
14162b33d1
15d5460d2
hex910d49b

152097947 has 4 divisors (see below), whose sum is σ = 152157120. Its totient is φ = 152038776.

The previous prime is 152097941. The next prime is 152097961. The reversal of 152097947 is 749790251.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 152097947 - 214 = 152081563 is a prime.

It is a super-2 number, since 2×1520979472 = 46267570963229618, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 152097898 and 152097907.

It is not an unprimeable number, because it can be changed into a prime (152097941) 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, 25547 + ... + 30932.

It is an arithmetic number, because the mean of its divisors is an integer number (38039280).

Almost surely, 2152097947 is an apocalyptic number.

152097947 is a deficient number, since it is larger than the sum of its proper divisors (59173).

152097947 is an equidigital number, since it uses as much as digits as its factorization.

152097947 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 59172.

The product of its (nonzero) digits is 158760, while the sum is 44.

The square root of 152097947 is about 12332.7996416061. The cubic root of 152097947 is about 533.7949375588.

The spelling of 152097947 in words is "one hundred fifty-two million, ninety-seven thousand, nine hundred forty-seven".

Divisors: 1 2693 56479 152097947