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100290969 = 3231135831
BaseRepresentation
bin1011111101001…
…01000110011001
320222201022100100
411332211012121
5201133302334
613541330013
72325313332
oct576450631
9228638310
10100290969
11516800a9
1229706909
1317a1608c
14d469289
158c10c99
hex5fa5199

100290969 has 12 divisors (see below), whose sum is σ = 145334592. Its totient is φ = 66643800.

The previous prime is 100290959. The next prime is 100290989. The reversal of 100290969 is 969092001.

It is not a de Polignac number, because 100290969 - 215 = 100258201 is a prime.

It is a super-2 number, since 2×1002909692 = 20116556925917922, which contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (100290959) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 15117 + ... + 20714.

It is an arithmetic number, because the mean of its divisors is an integer number (12111216).

Almost surely, 2100290969 is an apocalyptic number.

It is an amenable number.

100290969 is a deficient number, since it is larger than the sum of its proper divisors (45043623).

100290969 is a wasteful number, since it uses less digits than its factorization.

100290969 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36148 (or 36145 counting only the distinct ones).

The product of its (nonzero) digits is 8748, while the sum is 36.

The square root of 100290969 is about 10014.5378824986. The cubic root of 100290969 is about 464.6086335855.

The spelling of 100290969 in words is "one hundred million, two hundred ninety thousand, nine hundred sixty-nine".

Divisors: 1 3 9 311 933 2799 35831 107493 322479 11143441 33430323 100290969