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147700957 = 314764547
BaseRepresentation
bin10001100110110…
…11110011011101
3101021220222121211
420303123303131
5300302412312
622353424421
73442303015
oct1063336335
9337828554
10147700957
1176411a08
124156b111
13247a5621
141588ac45
15ce783a7
hex8cdbcdd

147700957 has 4 divisors (see below), whose sum is σ = 152465536. Its totient is φ = 142936380.

The previous prime is 147700951. The next prime is 147700961. The reversal of 147700957 is 759007741.

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: 759007741 = 5881129061.

It is a cyclic number.

It is not a de Polignac number, because 147700957 - 227 = 13483229 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (147700951) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2382243 + ... + 2382304.

It is an arithmetic number, because the mean of its divisors is an integer number (38116384).

Almost surely, 2147700957 is an apocalyptic number.

It is an amenable number.

147700957 is a deficient number, since it is larger than the sum of its proper divisors (4764579).

147700957 is an equidigital number, since it uses as much as digits as its factorization.

147700957 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4764578.

The product of its (nonzero) digits is 61740, while the sum is 40.

The square root of 147700957 is about 12153.2282542541. The cubic root of 147700957 is about 528.6007436209.

The spelling of 147700957 in words is "one hundred forty-seven million, seven hundred thousand, nine hundred fifty-seven".

Divisors: 1 31 4764547 147700957