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105491942 = 25371107131
BaseRepresentation
bin1100100100110…
…10110111100110
321100111112201222
412102122313212
5204001220232
614245020342
72420444453
oct622326746
9240445658
10105491942
1154602726
122b3b46b2
1318b1748a
141002082a
1593dbd12
hex649ade6

105491942 has 32 divisors (see below), whose sum is σ = 166281984. Its totient is φ = 50159200.

The previous prime is 105491917. The next prime is 105491951. The reversal of 105491942 is 249194501.

It is a super-2 number, since 2×1054919422 = 22257099653862728, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 805217 + ... + 805347.

It is an arithmetic number, because the mean of its divisors is an integer number (5196312).

Almost surely, 2105491942 is an apocalyptic number.

105491942 is a deficient number, since it is larger than the sum of its proper divisors (60790042).

105491942 is a wasteful number, since it uses less digits than its factorization.

105491942 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 364.

The product of its (nonzero) digits is 12960, while the sum is 35.

The square root of 105491942 is about 10270.9270272941. The cubic root of 105491942 is about 472.5050223891.

The spelling of 105491942 in words is "one hundred five million, four hundred ninety-one thousand, nine hundred forty-two".

Divisors: 1 2 53 71 106 107 131 142 214 262 3763 5671 6943 7526 7597 9301 11342 13886 14017 15194 18602 28034 402641 492953 742901 805282 985906 995207 1485802 1990414 52745971 105491942