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1397110308 = 2231110699901
BaseRepresentation
bin101001101000110…
…0011011000100100
310121100220120001020
41103101203120210
510330130012213
6350344531140
746423145616
oct12321433044
93540816036
101397110308
116576a5720
1232ba80ab0
131935a93b9
14d379cdb6
15829c3923
hex53463624

1397110308 has 48 divisors (see below), whose sum is σ = 3559967040. Its totient is φ = 422928000.

The previous prime is 1397110307. The next prime is 1397110313. The reversal of 1397110308 is 8030117931.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is not an unprimeable number, because it can be changed into a prime (1397110307) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 136158 + ... + 146058.

It is an arithmetic number, because the mean of its divisors is an integer number (74165980).

Almost surely, 21397110308 is an apocalyptic number.

It is an amenable number.

1397110308 is an abundant number, since it is smaller than the sum of its proper divisors (2162856732).

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

1397110308 is a wasteful number, since it uses less digits than its factorization.

1397110308 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10988 (or 10986 counting only the distinct ones).

The product of its (nonzero) digits is 4536, while the sum is 33.

The square root of 1397110308 is about 37377.9387874719. The cubic root of 1397110308 is about 1117.9187294181.

Multiplying 1397110308 by its sum of digits (33), we get a palindrome (46104640164).

The spelling of 1397110308 in words is "one billion, three hundred ninety-seven million, one hundred ten thousand, three hundred eight".

Divisors: 1 2 3 4 6 11 12 22 33 44 66 132 1069 2138 3207 4276 6414 9901 11759 12828 19802 23518 29703 35277 39604 47036 59406 70554 108911 118812 141108 217822 326733 435644 653466 1306932 10584169 21168338 31752507 42336676 63505014 116425859 127010028 232851718 349277577 465703436 698555154 1397110308