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109253040 = 24351319297
BaseRepresentation
bin1101000001100…
…01000110110000
321121120121222220
412200301012300
5210432044130
614501401040
72464430661
oct640610660
9247517886
10109253040
1156741476
1230709180
1319833390
141071d368
1598d1410
hex68311b0

109253040 has 240 divisors, whose sum is σ = 388912608. Its totient is φ = 25214976.

The previous prime is 109253029. The next prime is 109253047. The reversal of 109253040 is 40352901.

It is a tau number, because it is divible by the number of its divisors (240).

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a self number, because there is not a number n which added to its sum of digits gives 109253040.

It is not an unprimeable number, because it can be changed into a prime (109253047) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1126272 + ... + 1126368.

Almost surely, 2109253040 is an apocalyptic number.

109253040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 109253040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (194456304).

109253040 is an abundant number, since it is smaller than the sum of its proper divisors (279659568).

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

109253040 is a wasteful number, since it uses less digits than its factorization.

109253040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 164 (or 139 counting only the distinct ones).

The product of its (nonzero) digits is 1080, while the sum is 24.

The square root of 109253040 is about 10452.4179020933. The cubic root of 109253040 is about 478.0549763743.

The spelling of 109253040 in words is "one hundred nine million, two hundred fifty-three thousand, forty".