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80354132 = 2220088533
BaseRepresentation
bin1001100101000…
…01101101010100
312121012102010222
410302201231110
5131032313012
611550133512
71663666415
oct462415524
9177172128
1080354132
11413a3281
1222ab1298
1313855631
14a95980c
1570c3972
hex4ca1b54

80354132 has 6 divisors (see below), whose sum is σ = 140619738. Its totient is φ = 40177064.

The previous prime is 80354129. The next prime is 80354149. The reversal of 80354132 is 23145308.

It can be written as a sum of positive squares in only one way, i.e., 55294096 + 25060036 = 7436^2 + 5006^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10044263 + ... + 10044270.

It is an arithmetic number, because the mean of its divisors is an integer number (23436623).

Almost surely, 280354132 is an apocalyptic number.

It is an amenable number.

80354132 is a deficient number, since it is larger than the sum of its proper divisors (60265606).

80354132 is a wasteful number, since it uses less digits than its factorization.

80354132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20088537 (or 20088535 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 26.

The square root of 80354132 is about 8964.0466308470. The cubic root of 80354132 is about 431.5217973805.

It can be divided in two parts, 8035 and 4132, that added together give a cube (12167 = 233).

The spelling of 80354132 in words is "eighty million, three hundred fifty-four thousand, one hundred thirty-two".

Divisors: 1 2 4 20088533 40177066 80354132