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102620049 = 374886669
BaseRepresentation
bin1100001110111…
…01101110010001
321011002122020120
412013131232101
5202232320144
614103300453
72354153550
oct607355621
9234078216
10102620049
1152a20a64
122a44a729
131835022c
14d8b3d97
159020e19
hex61ddb91

102620049 has 8 divisors (see below), whose sum is σ = 156373440. Its totient is φ = 58640016.

The previous prime is 102620047. The next prime is 102620069. The reversal of 102620049 is 940026201.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 102620049 - 21 = 102620047 is a prime.

It is not an unprimeable number, because it can be changed into a prime (102620047) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2443314 + ... + 2443355.

It is an arithmetic number, because the mean of its divisors is an integer number (19546680).

Almost surely, 2102620049 is an apocalyptic number.

It is an amenable number.

102620049 is a deficient number, since it is larger than the sum of its proper divisors (53753391).

102620049 is an equidigital number, since it uses as much as digits as its factorization.

102620049 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4886679.

The product of its (nonzero) digits is 864, while the sum is 24.

The square root of 102620049 is about 10130.1554282252. The cubic root of 102620049 is about 468.1777166757.

The spelling of 102620049 in words is "one hundred two million, six hundred twenty thousand, forty-nine".

Divisors: 1 3 7 21 4886669 14660007 34206683 102620049