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107772440 = 2353797109
BaseRepresentation
bin1100110110001…
…11101000011000
321111210101222212
412123013220120
5210042204230
614405534252
72446023236
oct633075030
9244711885
10107772440
1155920036
1230114388
1319435499
1410455956
1596dc895
hex66c7a18

107772440 has 32 divisors (see below), whose sum is σ = 243162000. Its totient is φ = 42989184.

The previous prime is 107772437. The next prime is 107772443. The reversal of 107772440 is 44277701.

It is an interprime number because it is at equal distance from previous prime (107772437) and next prime (107772443).

It is a super-2 number, since 2×1077724402 = 23229797647107200, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 107772397 and 107772406.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (107772443) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11606 + ... + 18714.

Almost surely, 2107772440 is an apocalyptic number.

107772440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

107772440 is an abundant number, since it is smaller than the sum of its proper divisors (135389560).

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

107772440 is a wasteful number, since it uses less digits than its factorization.

107772440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7499 (or 7495 counting only the distinct ones).

The product of its (nonzero) digits is 10976, while the sum is 32.

The square root of 107772440 is about 10381.3505865085. The cubic root of 107772440 is about 475.8856091197.

The spelling of 107772440 in words is "one hundred seven million, seven hundred seventy-two thousand, four hundred forty".

Divisors: 1 2 4 5 8 10 20 40 379 758 1516 1895 3032 3790 7109 7580 14218 15160 28436 35545 56872 71090 142180 284360 2694311 5388622 10777244 13471555 21554488 26943110 53886220 107772440