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3920252 = 227140009
BaseRepresentation
bin1110111101000101111100
321101011120112
432331011330
52000422002
6220005152
745215210
oct16750574
97334515
103920252
112238386
1213907b8
13a7349b
14740940
15526852
hex3bd17c

3920252 has 12 divisors (see below), whose sum is σ = 7840560. Its totient is φ = 1680096.

The previous prime is 3920243. The next prime is 3920263. The reversal of 3920252 is 2520293.

3920252 is an admirable number.

It is a hoax number, since the sum of its digits (23) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 69977 + ... + 70032.

It is an arithmetic number, because the mean of its divisors is an integer number (653380).

Almost surely, 23920252 is an apocalyptic number.

It is an amenable number.

3920252 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

3920252 is a wasteful number, since it uses less digits than its factorization.

3920252 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 140020 (or 140018 counting only the distinct ones).

The product of its (nonzero) digits is 1080, while the sum is 23.

The square root of 3920252 is about 1979.9626259099. The cubic root of 3920252 is about 157.6780819333.

The spelling of 3920252 in words is "three million, nine hundred twenty thousand, two hundred fifty-two".

Divisors: 1 2 4 7 14 28 140009 280018 560036 980063 1960126 3920252