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1393950264 = 233743192961
BaseRepresentation
bin101001100010101…
…1111111000111000
310121010222000021120
41103011133320320
510323322402024
6350153105240
746354244640
oct12305377070
93533860246
101393950264
11655937513
1232a9b8220
13192a40c55
14d31b9520
158259c479
hex5315fe38

1393950264 has 64 divisors (see below), whose sum is σ = 4075357440. Its totient is φ = 389007360.

The previous prime is 1393950263. The next prime is 1393950269. The reversal of 1393950264 is 4620593931.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1393950263) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 89257 + ... + 103704.

It is an arithmetic number, because the mean of its divisors is an integer number (63677460).

Almost surely, 21393950264 is an apocalyptic number.

1393950264 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

1393950264 is an abundant number, since it is smaller than the sum of its proper divisors (2681407176).

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

1393950264 is a wasteful number, since it uses less digits than its factorization.

1393950264 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 193020 (or 193016 counting only the distinct ones).

The product of its (nonzero) digits is 174960, while the sum is 42.

The square root of 1393950264 is about 37335.6433452003. The cubic root of 1393950264 is about 1117.0752409799.

The spelling of 1393950264 in words is "one billion, three hundred ninety-three million, nine hundred fifty thousand, two hundred sixty-four".

Divisors: 1 2 3 4 6 7 8 12 14 21 24 28 42 43 56 84 86 129 168 172 258 301 344 516 602 903 1032 1204 1806 2408 3612 7224 192961 385922 578883 771844 1157766 1350727 1543688 2315532 2701454 4052181 4631064 5402908 8104362 8297323 10805816 16208724 16594646 24891969 32417448 33189292 49783938 58081261 66378584 99567876 116162522 174243783 199135752 232325044 348487566 464650088 696975132 1393950264