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90080370 = 2335333631
BaseRepresentation
bin1010101111010…
…00010001110010
320021111120001000
411113220101302
5141030032440
612534422430
72142445662
oct527502162
9207446030
1090080370
1146936796
1226201a16
131587c6c3
14bd6c1a2
157d95730
hex55e8472

90080370 has 32 divisors (see below), whose sum is σ = 240215040. Its totient is φ = 24021360.

The previous prime is 90080359. The next prime is 90080381. The reversal of 90080370 is 7308009.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (90080359) and next prime (90080381).

It is a super-2 number, since 2×900803702 = 16228946118673800, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 166546 + ... + 167085.

It is an arithmetic number, because the mean of its divisors is an integer number (7506720).

Almost surely, 290080370 is an apocalyptic number.

90080370 is a gapful number since it is divisible by the number (90) formed by its first and last digit.

90080370 is an abundant number, since it is smaller than the sum of its proper divisors (150134670).

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

90080370 is a wasteful number, since it uses less digits than its factorization.

90080370 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 333647 (or 333641 counting only the distinct ones).

The product of its (nonzero) digits is 1512, while the sum is 27.

The square root of 90080370 is about 9491.0679061948. The cubic root of 90080370 is about 448.2738314490.

Adding to 90080370 its reverse (7308009), we get a palindrome (97388379).

The spelling of 90080370 in words is "ninety million, eighty thousand, three hundred seventy".

Divisors: 1 2 3 5 6 9 10 15 18 27 30 45 54 90 135 270 333631 667262 1000893 1668155 2001786 3002679 3336310 5004465 6005358 9008037 10008930 15013395 18016074 30026790 45040185 90080370