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90393130 = 2515159863
BaseRepresentation
bin1010110001101…
…00101000101010
320022002110001201
411120310220222
5141120040010
612545234414
72145220552
oct530645052
9208073051
1090393130
114702a773
1226332a0a
131595bb79
14c010162
157e0823a
hex5634a2a

90393130 has 16 divisors (see below), whose sum is σ = 163787904. Its totient is φ = 35917200.

The previous prime is 90393103. The next prime is 90393157. The reversal of 90393130 is 3139309.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (90393103) and next prime (90393157).

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, 28422 + ... + 31441.

It is an arithmetic number, because the mean of its divisors is an integer number (10236744).

Almost surely, 290393130 is an apocalyptic number.

90393130 is a deficient number, since it is larger than the sum of its proper divisors (73394774).

90393130 is a wasteful number, since it uses less digits than its factorization.

90393130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60021.

The product of its (nonzero) digits is 2187, while the sum is 28.

The square root of 90393130 is about 9507.5301734993. The cubic root of 90393130 is about 448.7920360060.

It can be divided in two parts, 903931 and 30, that multiplied together give a triangular number (27117930 = T7364).

The spelling of 90393130 in words is "ninety million, three hundred ninety-three thousand, one hundred thirty".

Divisors: 1 2 5 10 151 302 755 1510 59863 119726 299315 598630 9039313 18078626 45196565 90393130