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106945440 = 2535724547
BaseRepresentation
bin1100101111111…
…01101110100000
321110020101120020
412113331232200
5204334223230
614340113440
72436010200
oct627755640
9243211506
10106945440
1155405768
122b995880
1319205c34
14102bc400
1595c7810
hex65fdba0

106945440 has 144 divisors (see below), whose sum is σ = 391964832. Its totient is φ = 24439296.

The previous prime is 106945427. The next prime is 106945451. The reversal of 106945440 is 44549601.

It is a super-2 number, since 2×1069454402 = 22874654273587200, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 21247 + ... + 25793.

It is an arithmetic number, because the mean of its divisors is an integer number (2721978).

Almost surely, 2106945440 is an apocalyptic number.

106945440 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 106945440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (195982416).

106945440 is an abundant number, since it is smaller than the sum of its proper divisors (285019392).

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

106945440 is a wasteful number, since it uses less digits than its factorization.

106945440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4579 (or 4564 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 33.

The square root of 106945440 is about 10341.4428393721. The cubic root of 106945440 is about 474.6652341131.

The spelling of 106945440 in words is "one hundred six million, nine hundred forty-five thousand, four hundred forty".

Divisors: 1 2 3 4 5 6 7 8 10 12 14 15 16 20 21 24 28 30 32 35 40 42 48 49 56 60 70 80 84 96 98 105 112 120 140 147 160 168 196 210 224 240 245 280 294 336 392 420 480 490 560 588 672 735 784 840 980 1120 1176 1470 1568 1680 1960 2352 2940 3360 3920 4547 4704 5880 7840 9094 11760 13641 18188 22735 23520 27282 31829 36376 45470 54564 63658 68205 72752 90940 95487 109128 127316 136410 145504 159145 181880 190974 218256 222803 254632 272820 318290 363760 381948 436512 445606 477435 509264 545640 636580 668409 727520 763896 891212 954870 1018528 1091280 1114015 1273160 1336818 1527792 1782424 1909740 2182560 2228030 2546320 2673636 3055584 3342045 3564848 3819480 4456060 5092640 5347272 6684090 7129696 7638960 8912120 10694544 13368180 15277920 17824240 21389088 26736360 35648480 53472720 106945440