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100433140 = 2255021657
BaseRepresentation
bin1011111110001…
…11110011110100
320222222112100221
411333013303310
5201202330030
613544344124
72326444663
oct577076364
9228875327
10100433140
11517679a5
1229775044
1317a659c2
14d4a4dda
158c3ce7a
hex5fc7cf4

100433140 has 12 divisors (see below), whose sum is σ = 210909636. Its totient is φ = 40173248.

The previous prime is 100433131. The next prime is 100433153. The reversal of 100433140 is 41334001.

It can be written as a sum of positive squares in 2 ways, for example, as 54789604 + 45643536 = 7402^2 + 6756^2 .

It is a super-2 number, since 2×1004331402 = 20173631220519200, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2510809 + ... + 2510848.

It is an arithmetic number, because the mean of its divisors is an integer number (17575803).

Almost surely, 2100433140 is an apocalyptic number.

100433140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

100433140 is an abundant number, since it is smaller than the sum of its proper divisors (110476496).

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

100433140 is a wasteful number, since it uses less digits than its factorization.

100433140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5021666 (or 5021664 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 16.

The square root of 100433140 is about 10021.6335993689. The cubic root of 100433140 is about 464.8280707123.

Adding to 100433140 its reverse (41334001), we get a palindrome (141767141).

The spelling of 100433140 in words is "one hundred million, four hundred thirty-three thousand, one hundred forty".

Divisors: 1 2 4 5 10 20 5021657 10043314 20086628 25108285 50216570 100433140