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669275502 = 23715935131
BaseRepresentation
bin100111111001000…
…101010101101110
31201122100201101120
4213321011111232
52332313304002
6150224521410
722404514350
oct4771052556
91648321346
10669275502
11313874655
12168180266
13a887270c
1464c5b0d0
153db53cbc
hex27e4556e

669275502 has 16 divisors (see below), whose sum is σ = 1529772672. Its totient is φ = 191221560.

The previous prime is 669275479. The next prime is 669275531. The reversal of 669275502 is 205572966.

It is a Harshad number since it is a multiple of its sum of digits (42), and also a Moran number because the ratio is a prime number: 15935131 = 669275502 / (6 + 6 + 9 + 2 + 7 + 5 + 5 + 0 + 2).

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 7967524 + ... + 7967607.

It is an arithmetic number, because the mean of its divisors is an integer number (95610792).

Almost surely, 2669275502 is an apocalyptic number.

669275502 is an abundant number, since it is smaller than the sum of its proper divisors (860497170).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

669275502 is a wasteful number, since it uses less digits than its factorization.

669275502 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15935143.

The product of its (nonzero) digits is 226800, while the sum is 42.

The square root of 669275502 is about 25870.3595259130. The cubic root of 669275502 is about 874.7184953489.

The spelling of 669275502 in words is "six hundred sixty-nine million, two hundred seventy-five thousand, five hundred two".

Divisors: 1 2 3 6 7 14 21 42 15935131 31870262 47805393 95610786 111545917 223091834 334637751 669275502