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90303942 = 2327975381
BaseRepresentation
bin1010110000111…
…10110111000110
320021220220201110
411120132313012
5141104211232
612543305450
72144366541
oct530366706
9207826643
1090303942
1146a79763
12262ab286
131592a3b1
14bdc9858
157ddbacc
hex561edc6

90303942 has 16 divisors (see below), whose sum is σ = 180706032. Its totient is φ = 30084960.

The previous prime is 90303901. The next prime is 90303947. The reversal of 90303942 is 24930309.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (90303947) 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, 14092 + ... + 19472.

It is an arithmetic number, because the mean of its divisors is an integer number (11294127).

Almost surely, 290303942 is an apocalyptic number.

90303942 is an abundant number, since it is smaller than the sum of its proper divisors (90402090).

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

90303942 is a wasteful number, since it uses less digits than its factorization.

90303942 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8183.

The product of its (nonzero) digits is 5832, while the sum is 30.

The square root of 90303942 is about 9502.8386285362. The cubic root of 90303942 is about 448.6443845354.

The spelling of 90303942 in words is "ninety million, three hundred three thousand, nine hundred forty-two".

Divisors: 1 2 3 6 2797 5381 5594 8391 10762 16143 16782 32286 15050657 30101314 45151971 90303942