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425400545 = 5613138793
BaseRepresentation
bin11001010110110…
…001100011100001
31002122110120211202
4121112301203201
51332400304140
6110113450545
713353562553
oct3126614341
91078416752
10425400545
111a91447a9
12ba570a55
136a195bcb
14406d74d3
152752e915
hex195b18e1

425400545 has 8 divisors (see below), whose sum is σ = 511317096. Its totient is φ = 339762816.

The previous prime is 425400539. The next prime is 425400551. The reversal of 425400545 is 545004524.

It is an interprime number because it is at equal distance from previous prime (425400539) and next prime (425400551).

It can be written as a sum of positive squares in 4 ways, for example, as 92416 + 425308129 = 304^2 + 20623^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 425400545 - 28 = 425400289 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 66332 + ... + 72461.

It is an arithmetic number, because the mean of its divisors is an integer number (63914637).

Almost surely, 2425400545 is an apocalyptic number.

It is an amenable number.

425400545 is a deficient number, since it is larger than the sum of its proper divisors (85916551).

425400545 is a wasteful number, since it uses less digits than its factorization.

425400545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 139411.

The product of its (nonzero) digits is 16000, while the sum is 29.

The square root of 425400545 is about 20625.2404834465. The cubic root of 425400545 is about 752.0834189800.

The spelling of 425400545 in words is "four hundred twenty-five million, four hundred thousand, five hundred forty-five".

Divisors: 1 5 613 3065 138793 693965 85080109 425400545