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2021490132 = 223712372641
BaseRepresentation
bin111100001111101…
…0111110111010100
312012212210100010220
41320133113313110
513120000141012
6532331314340
7101044245144
oct17037276724
95185710126
102021490132
11948095502
12484bab9b0
13262a5cb0c
14152690924
15bc70a08c
hex787d7dd4

2021490132 has 24 divisors (see below), whose sum is σ = 4783246272. Its totient is φ = 664339200.

The previous prime is 2021490127. The next prime is 2021490137. The reversal of 2021490132 is 2310941202.

It is an interprime number because it is at equal distance from previous prime (2021490127) and next prime (2021490137).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2021490137) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1185469 + ... + 1187172.

It is an arithmetic number, because the mean of its divisors is an integer number (199301928).

Almost surely, 22021490132 is an apocalyptic number.

It is an amenable number.

2021490132 is an abundant number, since it is smaller than the sum of its proper divisors (2761756140).

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

2021490132 is a wasteful number, since it uses less digits than its factorization.

2021490132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2372719 (or 2372717 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 24.

The square root of 2021490132 is about 44960.9845532769. The cubic root of 2021490132 is about 1264.4176277492.

The spelling of 2021490132 in words is "two billion, twenty-one million, four hundred ninety thousand, one hundred thirty-two".

Divisors: 1 2 3 4 6 12 71 142 213 284 426 852 2372641 4745282 7117923 9490564 14235846 28471692 168457511 336915022 505372533 673830044 1010745066 2021490132