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90354001 = 743121607
BaseRepresentation
bin1010110001010…
…11000101010001
320022000110101111
411120223011101
5141112312001
612544333321
72144665513
oct530530521
9208013344
1090354001
1147003331
1226314241
131594710a
14bdddbb3
157deb851
hex562b151

90354001 has 4 divisors (see below), whose sum is σ = 90476352. Its totient is φ = 90231652.

The previous prime is 90353999. The next prime is 90354041. The reversal of 90354001 is 10045309.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 90354001 - 21 = 90353999 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (90354041) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 60061 + ... + 61546.

It is an arithmetic number, because the mean of its divisors is an integer number (22619088).

Almost surely, 290354001 is an apocalyptic number.

It is an amenable number.

90354001 is a deficient number, since it is larger than the sum of its proper divisors (122351).

90354001 is a wasteful number, since it uses less digits than its factorization.

90354001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 122350.

The product of its (nonzero) digits is 540, while the sum is 22.

The square root of 90354001 is about 9505.4721608135. The cubic root of 90354001 is about 448.7272695868.

The spelling of 90354001 in words is "ninety million, three hundred fifty-four thousand, one".

Divisors: 1 743 121607 90354001