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801443457 = 3395331147
BaseRepresentation
bin101111110001010…
…000111010000001
32001212001112202000
4233301100322001
53120132142312
6211305414213
725601104563
oct5761207201
92055045660
10801443457
11381437371
121a449a369
13ca069bc9
1478623333
154a55eadc
hex2fc50e81

801443457 has 16 divisors (see below), whose sum is σ = 1188607680. Its totient is φ = 533717856.

The previous prime is 801443443. The next prime is 801443497. The reversal of 801443457 is 754344108.

It is not a de Polignac number, because 801443457 - 27 = 801443329 is a prime.

It is a super-2 number, since 2×8014434572 = 1284623229536221698, which contains 22 as substring.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (801443497) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10158 + ... + 41304.

It is an arithmetic number, because the mean of its divisors is an integer number (74287980).

Almost surely, 2801443457 is an apocalyptic number.

It is an amenable number.

801443457 is a deficient number, since it is larger than the sum of its proper divisors (387164223).

801443457 is a wasteful number, since it uses less digits than its factorization.

801443457 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32109 (or 32103 counting only the distinct ones).

The product of its (nonzero) digits is 53760, while the sum is 36.

The square root of 801443457 is about 28309.7767034641. The cubic root of 801443457 is about 928.8757590823.

The spelling of 801443457 in words is "eight hundred one million, four hundred forty-three thousand, four hundred fifty-seven".

Divisors: 1 3 9 27 953 2859 8577 25731 31147 93441 280323 840969 29683091 89049273 267147819 801443457