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357146997 = 3119048999
BaseRepresentation
bin10101010010011…
…010000101110101
3220220000221120120
4111102122011311
51212412200442
655234522153
711564461614
oct2522320565
9826027516
10357146997
11173666909
129b736359
1358cb92ac
143560b87b
152154b4ec
hex1549a175

357146997 has 4 divisors (see below), whose sum is σ = 476196000. Its totient is φ = 238097996.

The previous prime is 357146957. The next prime is 357147053. The reversal of 357146997 is 799641753.

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: 799641753 = 3266547251.

It is a cyclic number.

It is not a de Polignac number, because 357146997 - 27 = 357146869 is a prime.

It is a super-2 number, since 2×3571469972 = 255107954932236018, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (357146927) 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, 59524497 + ... + 59524502.

It is an arithmetic number, because the mean of its divisors is an integer number (119049000).

Almost surely, 2357146997 is an apocalyptic number.

It is an amenable number.

357146997 is a deficient number, since it is larger than the sum of its proper divisors (119049003).

357146997 is a wasteful number, since it uses less digits than its factorization.

357146997 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 119049002.

The product of its digits is 1428840, while the sum is 51.

The square root of 357146997 is about 18898.3331804686. Note that the first 3 decimals coincide. The cubic root of 357146997 is about 709.4944473560.

The spelling of 357146997 in words is "three hundred fifty-seven million, one hundred forty-six thousand, nine hundred ninety-seven".

Divisors: 1 3 119048999 357146997