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90980133 = 3311277703
BaseRepresentation
bin1010110110000…
…11111100100101
320100012021021120
411123003330211
5141242331013
613010004153
72153214126
oct533037445
9210167246
1090980133
11473a07a2
1226576659
1315b060ca
14c12404d
157ec2123
hex56c3f25

90980133 has 16 divisors (see below), whose sum is σ = 126222336. Its totient is φ = 58227120.

The previous prime is 90980129. The next prime is 90980147. The reversal of 90980133 is 33108909.

It is not a de Polignac number, because 90980133 - 22 = 90980129 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 90980094 and 90980103.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (90980173) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7960 + ... + 15662.

It is an arithmetic number, because the mean of its divisors is an integer number (7888896).

Almost surely, 290980133 is an apocalyptic number.

90980133 is a gapful number since it is divisible by the number (93) formed by its first and last digit.

It is an amenable number.

90980133 is a deficient number, since it is larger than the sum of its proper divisors (35242203).

90980133 is a wasteful number, since it uses less digits than its factorization.

90980133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7864.

The product of its (nonzero) digits is 5832, while the sum is 33.

The square root of 90980133 is about 9538.3506435861. The cubic root of 90980133 is about 449.7614093237.

The spelling of 90980133 in words is "ninety million, nine hundred eighty thousand, one hundred thirty-three".

Divisors: 1 3 31 93 127 381 3937 7703 11811 23109 238793 716379 978281 2934843 30326711 90980133