Search a number
-
+
121869234 = 23214474679
BaseRepresentation
bin1110100001110…
…01001110110010
322111022121011100
413100321032302
5222144303414
620032025230
73006604614
oct720711662
9274277140
10121869234
1162879183
1234992216
131c32c996
1412284db4
15aa74609
hex74393b2

121869234 has 24 divisors (see below), whose sum is σ = 264288960. Its totient is φ = 40586328.

The previous prime is 121869233. The next prime is 121869283. The reversal of 121869234 is 432968121.

It is a super-2 number, since 2×1218692342 = 29704220391493512, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (121869233) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 23707 + ... + 28385.

It is an arithmetic number, because the mean of its divisors is an integer number (11012040).

Almost surely, 2121869234 is an apocalyptic number.

121869234 is an abundant number, since it is smaller than the sum of its proper divisors (142419726).

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

121869234 is a wasteful number, since it uses less digits than its factorization.

121869234 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6134 (or 6131 counting only the distinct ones).

The product of its digits is 20736, while the sum is 36.

The square root of 121869234 is about 11039.4399314458. The cubic root of 121869234 is about 495.7903016834.

The spelling of 121869234 in words is "one hundred twenty-one million, eight hundred sixty-nine thousand, two hundred thirty-four".

Divisors: 1 2 3 6 9 18 1447 2894 4341 4679 8682 9358 13023 14037 26046 28074 42111 84222 6770513 13541026 20311539 40623078 60934617 121869234