Search a number
-
+
121932404 = 22112771191
BaseRepresentation
bin1110100010010…
…00101001110100
322111102210210222
413101020221310
5222203314104
620033233512
73010260026
oct721105164
9274383728
10121932404
1162911690
1234a02898
131c352669
14122a0016
15aa881be
hex7448a74

121932404 has 12 divisors (see below), whose sum is σ = 232780128. Its totient is φ = 55423800.

The previous prime is 121932389. The next prime is 121932413. The reversal of 121932404 is 404239121.

It is a super-2 number, since 2×1219324042 = 29735022290438432, 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 3 ways as a sum of consecutive naturals, for example, 1385552 + ... + 1385639.

It is an arithmetic number, because the mean of its divisors is an integer number (19398344).

Almost surely, 2121932404 is an apocalyptic number.

It is an amenable number.

121932404 is a deficient number, since it is larger than the sum of its proper divisors (110847724).

121932404 is a wasteful number, since it uses less digits than its factorization.

121932404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2771206 (or 2771204 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 26.

The square root of 121932404 is about 11042.3006660750. The cubic root of 121932404 is about 495.8759499436.

The spelling of 121932404 in words is "one hundred twenty-one million, nine hundred thirty-two thousand, four hundred four".

Divisors: 1 2 4 11 22 44 2771191 5542382 11084764 30483101 60966202 121932404