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102247888 = 247387541
BaseRepresentation
bin1100001100000…
…10110111010000
321010101201201211
412012002313100
5202133413023
614051305504
72351043541
oct606026720
9233351654
10102247888
1152797396
122a2ab294
131824ca12
14d8184c8
158e9aa0d
hex6182dd0

102247888 has 20 divisors (see below), whose sum is σ = 200821348. Its totient is φ = 50423040.

The previous prime is 102247861. The next prime is 102247897. The reversal of 102247888 is 888742201.

It can be written as a sum of positive squares in 2 ways, for example, as 51667344 + 50580544 = 7188^2 + 7112^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 102247888.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 42603 + ... + 44938.

Almost surely, 2102247888 is an apocalyptic number.

It is an amenable number.

102247888 is a deficient number, since it is larger than the sum of its proper divisors (98573460).

102247888 is an equidigital number, since it uses as much as digits as its factorization.

102247888 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 87622 (or 87616 counting only the distinct ones).

The product of its (nonzero) digits is 57344, while the sum is 40.

The square root of 102247888 is about 10111.7697758602. The cubic root of 102247888 is about 467.6110680084.

The spelling of 102247888 in words is "one hundred two million, two hundred forty-seven thousand, eight hundred eighty-eight".

Divisors: 1 2 4 8 16 73 146 292 584 1168 87541 175082 350164 700328 1400656 6390493 12780986 25561972 51123944 102247888