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330252157 = 1623120347
BaseRepresentation
bin10011101011110…
…011111101111101
3212000102112210101
4103223303331331
51134021032112
652434241101
711120045164
oct2353637575
9760375711
10330252157
1115a467374
1292726191
13535607a1
1431c0a3db
151ded7757
hex13af3f7d

330252157 has 4 divisors (see below), whose sum is σ = 330288736. Its totient is φ = 330215580.

The previous prime is 330252151. The next prime is 330252161. The reversal of 330252157 is 751252033.

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 a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 330252157 - 215 = 330219389 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 (330252151) 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, 6058 + ... + 26404.

It is an arithmetic number, because the mean of its divisors is an integer number (82572184).

Almost surely, 2330252157 is an apocalyptic number.

It is an amenable number.

330252157 is a deficient number, since it is larger than the sum of its proper divisors (36579).

330252157 is a wasteful number, since it uses less digits than its factorization.

330252157 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36578.

The product of its (nonzero) digits is 6300, while the sum is 28.

The square root of 330252157 is about 18172.8411922847. The cubic root of 330252157 is about 691.2182894611.

The spelling of 330252157 in words is "three hundred thirty million, two hundred fifty-two thousand, one hundred fifty-seven".

Divisors: 1 16231 20347 330252157