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117372541 = 11213293183
BaseRepresentation
bin1101111111011…
…11011001111101
322011212010212011
412333233121331
5220021410131
615351411221
72623435666
oct677573175
9264763764
10117372541
1160287800
1233383b11
131b417010
141183436d
15a4870b1
hex6fef67d

117372541 has 48 divisors (see below), whose sum is σ = 150151680. Its totient is φ = 90921600.

The previous prime is 117372523. The next prime is 117372553. The reversal of 117372541 is 145273711.

It is not a de Polignac number, because 117372541 - 215 = 117339773 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (31).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (117372041) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1414086 + ... + 1414168.

It is an arithmetic number, because the mean of its divisors is an integer number (3128160).

Almost surely, 2117372541 is an apocalyptic number.

117372541 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

117372541 is a deficient number, since it is larger than the sum of its proper divisors (32779139).

117372541 is a wasteful number, since it uses less digits than its factorization.

117372541 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 178 (or 167 counting only the distinct ones).

The product of its digits is 5880, while the sum is 31.

The square root of 117372541 is about 10833.8608538231. The cubic root of 117372541 is about 489.6158880605.

The spelling of 117372541 in words is "one hundred seventeen million, three hundred seventy-two thousand, five hundred forty-one".

Divisors: 1 11 13 29 31 83 121 143 319 341 377 403 899 913 1079 1573 2407 2573 3509 3751 4147 4433 9889 10043 11687 11869 26477 28303 31291 33449 45617 48763 74617 108779 128557 130559 291247 311333 344201 367939 820787 970021 1414127 3786211 4047329 9028657 10670231 117372541