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1390152 = 23357923
BaseRepresentation
bin101010011011001001000
32121121221010
411103121020
5323441102
645443520
714546631
oct5233110
92547833
101390152
1186a495
125705a0
1339899a
14282888
151c6d6c
hex153648

1390152 has 16 divisors (see below), whose sum is σ = 3475440. Its totient is φ = 463376.

The previous prime is 1390121. The next prime is 1390157. The reversal of 1390152 is 2510931.

It is not an unprimeable number, because it can be changed into a prime (1390157) 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, 28938 + ... + 28985.

It is an arithmetic number, because the mean of its divisors is an integer number (217215).

21390152 is an apocalyptic number.

1390152 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1390152 is an abundant number, since it is smaller than the sum of its proper divisors (2085288).

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

1390152 is a wasteful number, since it uses less digits than its factorization.

1390152 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57932 (or 57928 counting only the distinct ones).

The product of its (nonzero) digits is 270, while the sum is 21.

The square root of 1390152 is about 1179.0470728516. The cubic root of 1390152 is about 111.6059708269.

The spelling of 1390152 in words is "one million, three hundred ninety thousand, one hundred fifty-two".

Divisors: 1 2 3 4 6 8 12 24 57923 115846 173769 231692 347538 463384 695076 1390152