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121627245 = 3514935431
BaseRepresentation
bin1110011111111…
…10001001101101
322110212022012210
413033332021231
5222114032440
620022521033
73004546245
oct717761155
9273768183
10121627245
1162723393
1234896179
131c2767ac
1412220b25
15aa27a80
hex73fe26d

121627245 has 16 divisors (see below), whose sum is σ = 194769792. Its totient is φ = 64812480.

The previous prime is 121627237. The next prime is 121627267. The reversal of 121627245 is 542726121.

It is not a de Polignac number, because 121627245 - 23 = 121627237 is a prime.

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, 19680 + ... + 25110.

It is an arithmetic number, because the mean of its divisors is an integer number (12173112).

Almost surely, 2121627245 is an apocalyptic number.

121627245 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

121627245 is a deficient number, since it is larger than the sum of its proper divisors (73142547).

121627245 is a wasteful number, since it uses less digits than its factorization.

121627245 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6932.

The product of its digits is 6720, while the sum is 30.

The square root of 121627245 is about 11028.4742825107. The cubic root of 121627245 is about 495.4619297805.

The spelling of 121627245 in words is "one hundred twenty-one million, six hundred twenty-seven thousand, two hundred forty-five".

Divisors: 1 3 5 15 1493 4479 5431 7465 16293 22395 27155 81465 8108483 24325449 40542415 121627245