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1421380410 = 23547379347
BaseRepresentation
bin101010010111000…
…1000101100111010
310200001120121100220
41110232020230322
510402333133120
6353013040510
750136351132
oct12456105472
93601517326
101421380410
1166a37215a
12338026136
131986262c8
14d6ab9ac2
1584bb9b40
hex54b88b3a

1421380410 has 16 divisors (see below), whose sum is σ = 3411313056. Its totient is φ = 379034768.

The previous prime is 1421380397. The next prime is 1421380417. The reversal of 1421380410 is 140831241.

It is not an unprimeable number, because it can be changed into a prime (1421380417) 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, 23689644 + ... + 23689703.

It is an arithmetic number, because the mean of its divisors is an integer number (213207066).

Almost surely, 21421380410 is an apocalyptic number.

1421380410 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1421380410 is an abundant number, since it is smaller than the sum of its proper divisors (1989932646).

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

1421380410 is a wasteful number, since it uses less digits than its factorization.

1421380410 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47379357.

The product of its (nonzero) digits is 768, while the sum is 24.

The square root of 1421380410 is about 37701.1990525500. The cubic root of 1421380410 is about 1124.3549645510.

The spelling of 1421380410 in words is "one billion, four hundred twenty-one million, three hundred eighty thousand, four hundred ten".

Divisors: 1 2 3 5 6 10 15 30 47379347 94758694 142138041 236896735 284276082 473793470 710690205 1421380410