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107977212 = 2234747609
BaseRepresentation
bin1100110111110…
…01100111111100
321112011210220000
412123321213330
5210120232322
614414154300
72450535240
oct633714774
9245153800
10107977212
1155a4a972
12301b2990
13194a7755
14104aa420
15972d3ac
hex66f99fc

107977212 has 60 divisors (see below), whose sum is σ = 322605360. Its totient is φ = 30849984.

The previous prime is 107977193. The next prime is 107977213. The reversal of 107977212 is 212779701.

It is a super-2 number, since 2×1079772122 = 23318156622585888, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (107977213) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 21537 + ... + 26072.

It is an arithmetic number, because the mean of its divisors is an integer number (5376756).

Almost surely, 2107977212 is an apocalyptic number.

107977212 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

107977212 is an abundant number, since it is smaller than the sum of its proper divisors (214628148).

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

107977212 is a wasteful number, since it uses less digits than its factorization.

107977212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47632 (or 47621 counting only the distinct ones).

The product of its (nonzero) digits is 12348, while the sum is 36.

The square root of 107977212 is about 10391.2083994115. The cubic root of 107977212 is about 476.1868190722.

The spelling of 107977212 in words is "one hundred seven million, nine hundred seventy-seven thousand, two hundred twelve".

Divisors: 1 2 3 4 6 7 9 12 14 18 21 27 28 36 42 54 63 81 84 108 126 162 189 252 324 378 567 756 1134 2268 47609 95218 142827 190436 285654 333263 428481 571308 666526 856962 999789 1285443 1333052 1713924 1999578 2570886 2999367 3856329 3999156 5141772 5998734 7712658 8998101 11997468 15425316 17996202 26994303 35992404 53988606 107977212