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1491492 = 223124291
BaseRepresentation
bin101101100001000100100
32210202221110
411230020210
5340211432
651545020
715451242
oct5541044
92722843
101491492
11929642
125bb170
13402b52
142ab792
151e6dcc
hex16c224

1491492 has 12 divisors (see below), whose sum is σ = 3480176. Its totient is φ = 497160.

The previous prime is 1491491. The next prime is 1491493. The reversal of 1491492 is 2941941.

It is an interprime number because it is at equal distance from previous prime (1491491) and next prime (1491493).

It is a tau number, because it is divible by the number of its divisors (12).

It is not an unprimeable number, because it can be changed into a prime (1491491) 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, 62134 + ... + 62157.

21491492 is an apocalyptic number.

1491492 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1491492 is an abundant number, since it is smaller than the sum of its proper divisors (1988684).

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

1491492 is a wasteful number, since it uses less digits than its factorization.

1491492 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 124298 (or 124296 counting only the distinct ones).

The product of its digits is 2592, while the sum is 30.

The square root of 1491492 is about 1221.2665556708. The cubic root of 1491492 is about 114.2545864630.

The spelling of 1491492 in words is "one million, four hundred ninety-one thousand, four hundred ninety-two".

Divisors: 1 2 3 4 6 12 124291 248582 372873 497164 745746 1491492