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122313040 = 2456312423
BaseRepresentation
bin1110100101001…
…01100101010000
322112011010221121
413102211211100
5222303004130
620045332024
73013433533
oct722454520
9275133847
10122313040
1163051663
1234b67014
131c4569a5
141235ca1a
15ab10d7a
hex74a5950

122313040 has 40 divisors (see below), whose sum is σ = 284946048. Its totient is φ = 48827520.

The previous prime is 122313031. The next prime is 122313071. The reversal of 122313040 is 40313221.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (40).

It is a Harshad number since it is a multiple of its sum of digits (16).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 49269 + ... + 51691.

Almost surely, 2122313040 is an apocalyptic number.

122313040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

122313040 is an abundant number, since it is smaller than the sum of its proper divisors (162633008).

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

122313040 is a wasteful number, since it uses less digits than its factorization.

122313040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3067 (or 3061 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 16.

The square root of 122313040 is about 11059.5225936746. The cubic root of 122313040 is about 496.3914054115.

Adding to 122313040 its reverse (40313221), we get a palindrome (162626261).

The spelling of 122313040 in words is "one hundred twenty-two million, three hundred thirteen thousand, forty".

Divisors: 1 2 4 5 8 10 16 20 40 80 631 1262 2423 2524 3155 4846 5048 6310 9692 10096 12115 12620 19384 24230 25240 38768 48460 50480 96920 193840 1528913 3057826 6115652 7644565 12231304 15289130 24462608 30578260 61156520 122313040