Search a number
-
+
122570040 = 23351021417
BaseRepresentation
bin1110100111001…
…00010100111000
322112122012111010
413103210110320
5222334220130
620055033520
73015554025
oct723442470
9275565433
10122570040
116320775a
123506b8a0
131c516968
14123c854c
15ab620b0
hex74e4538

122570040 has 32 divisors (see below), whose sum is σ = 367710480. Its totient is φ = 32685312.

The previous prime is 122570039. The next prime is 122570053. The reversal of 122570040 is 40075221.

It is a junction number, because it is equal to n+sod(n) for n = 122569989 and 122570016.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 510589 + ... + 510828.

Almost surely, 2122570040 is an apocalyptic number.

122570040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

122570040 is an abundant number, since it is smaller than the sum of its proper divisors (245140440).

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

122570040 is a wasteful number, since it uses less digits than its factorization.

122570040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1021431 (or 1021427 counting only the distinct ones).

The product of its (nonzero) digits is 560, while the sum is 21.

The square root of 122570040 is about 11071.1354431242. The cubic root of 122570040 is about 496.7388291066.

The spelling of 122570040 in words is "one hundred twenty-two million, five hundred seventy thousand, forty".

Divisors: 1 2 3 4 5 6 8 10 12 15 20 24 30 40 60 120 1021417 2042834 3064251 4085668 5107085 6128502 8171336 10214170 12257004 15321255 20428340 24514008 30642510 40856680 61285020 122570040