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109731070 = 2529616203
BaseRepresentation
bin1101000101001…
…01110011111110
321122110220201201
412202211303332
5211042343240
614515530114
72501461441
oct642456376
9248426651
10109731070
1156a38639
12308b993a
131996cb37
1410805658
159977d9a
hex68a5cfe

109731070 has 32 divisors (see below), whose sum is σ = 207709920. Its totient is φ = 41677440.

The previous prime is 109731067. The next prime is 109731071. The reversal of 109731070 is 70137901.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (109731071) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14589 + ... + 20791.

It is an arithmetic number, because the mean of its divisors is an integer number (6490935).

Almost surely, 2109731070 is an apocalyptic number.

109731070 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

109731070 is a deficient number, since it is larger than the sum of its proper divisors (97978850).

109731070 is a wasteful number, since it uses less digits than its factorization.

109731070 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6300.

The product of its (nonzero) digits is 1323, while the sum is 28.

The square root of 109731070 is about 10475.2599013103. The cubic root of 109731070 is about 478.7511953832.

Adding to 109731070 its reverse (70137901), we get a palindrome (179868971).

The spelling of 109731070 in words is "one hundred nine million, seven hundred thirty-one thousand, seventy".

Divisors: 1 2 5 10 29 58 61 122 145 290 305 610 1769 3538 6203 8845 12406 17690 31015 62030 179887 359774 378383 756766 899435 1798870 1891915 3783830 10973107 21946214 54865535 109731070