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10157442 = 231692907
BaseRepresentation
bin100110101111…
…110110000010
3201010001101120
4212233312002
510100014232
61001413110
7152223351
oct46576602
921101346
1010157442
115808489
12349a196
132148429
1414c5998
15d5992c
hex9afd82

10157442 has 8 divisors (see below), whose sum is σ = 20314896. Its totient is φ = 3385812.

The previous prime is 10157437. The next prime is 10157443. The reversal of 10157442 is 24475101.

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

10157442 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (10157443) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 846448 + ... + 846459.

It is an arithmetic number, because the mean of its divisors is an integer number (2539362).

Almost surely, 210157442 is an apocalyptic number.

10157442 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.

10157442 is a wasteful number, since it uses less digits than its factorization.

10157442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1692912.

The product of its (nonzero) digits is 1120, while the sum is 24.

The square root of 10157442 is about 3187.0742068549. The cubic root of 10157442 is about 216.5682482665.

The spelling of 10157442 in words is "ten million, one hundred fifty-seven thousand, four hundred forty-two".

Divisors: 1 2 3 6 1692907 3385814 5078721 10157442