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109402770 = 2353646759
BaseRepresentation
bin1101000010101…
…01101010010010
321121212020101110
412201111222102
5211001342040
614504514150
72465623341
oct641255222
9247766343
10109402770
1156833a14
123077b956
1319886589
141075bb58
159910980
hex6855a92

109402770 has 16 divisors (see below), whose sum is σ = 262566720. Its totient is φ = 29174064.

The previous prime is 109402739. The next prime is 109402807. The reversal of 109402770 is 77204901.

It is a Harshad number since it is a multiple of its sum of digits (30), and also a Moran number because the ratio is a prime number: 3646759 = 109402770 / (1 + 0 + 9 + 4 + 0 + 2 + 7 + 7 + 0).

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1823350 + ... + 1823409.

It is an arithmetic number, because the mean of its divisors is an integer number (16410420).

Almost surely, 2109402770 is an apocalyptic number.

109402770 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

109402770 is an abundant number, since it is smaller than the sum of its proper divisors (153163950).

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

109402770 is a wasteful number, since it uses less digits than its factorization.

109402770 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3646769.

The product of its (nonzero) digits is 3528, while the sum is 30.

The square root of 109402770 is about 10459.5779073536. The cubic root of 109402770 is about 478.2732662483.

The spelling of 109402770 in words is "one hundred nine million, four hundred two thousand, seven hundred seventy".

Divisors: 1 2 3 5 6 10 15 30 3646759 7293518 10940277 18233795 21880554 36467590 54701385 109402770