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4490157 = 372973101
BaseRepresentation
bin10001001000001110101101
322110010100010
4101020032231
52122141112
6240123433
753110560
oct21101655
98403303
104490157
112597581
121606579
13c129c9
1484c4d7
155da63c
hex4483ad

4490157 has 32 divisors (see below), whose sum is σ = 7246080. Its totient is φ = 2419200.

The previous prime is 4490147. The next prime is 4490179. The reversal of 4490157 is 7510944.

It is a happy number.

It is not a de Polignac number, because 4490157 - 24 = 4490141 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4490147) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 44407 + ... + 44507.

It is an arithmetic number, because the mean of its divisors is an integer number (226440).

Almost surely, 24490157 is an apocalyptic number.

It is an amenable number.

4490157 is a deficient number, since it is larger than the sum of its proper divisors (2755923).

4490157 is a wasteful number, since it uses less digits than its factorization.

4490157 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 213.

The product of its (nonzero) digits is 5040, while the sum is 30.

The square root of 4490157 is about 2118.9990561584. Note that the first 3 decimals coincide. The cubic root of 4490157 is about 164.9759009799.

The spelling of 4490157 in words is "four million, four hundred ninety thousand, one hundred fifty-seven".

Divisors: 1 3 7 21 29 73 87 101 203 219 303 511 609 707 1533 2117 2121 2929 6351 7373 8787 14819 20503 22119 44457 51611 61509 154833 213817 641451 1496719 4490157