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1372003120 = 24522974891
BaseRepresentation
bin101000111000111…
…0001101100110000
310112121122222110101
41101301301230300
510302213044440
6344050442144
745666556045
oct12161615460
93477588411
101372003120
11644507284
12323593354
1318b328487
14d03051cc
15806b469a
hex51c71b30

1372003120 has 40 divisors (see below), whose sum is σ = 3203879760. Its totient is φ = 546397440.

The previous prime is 1372003117. The next prime is 1372003121. The reversal of 1372003120 is 213002731.

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

It is a super-2 number, since 2×13720031202 = 3764785122579468800, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1372003121) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19126 + ... + 55765.

It is an arithmetic number, because the mean of its divisors is an integer number (80096994).

Almost surely, 21372003120 is an apocalyptic number.

1372003120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1372003120 is an abundant number, since it is smaller than the sum of its proper divisors (1831876640).

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

1372003120 is a wasteful number, since it uses less digits than its factorization.

1372003120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 75133 (or 75127 counting only the distinct ones).

The product of its (nonzero) digits is 252, while the sum is 19.

The square root of 1372003120 is about 37040.5604709216. The cubic root of 1372003120 is about 1111.1815786715.

Adding to 1372003120 its reverse (213002731), we get a palindrome (1585005851).

The spelling of 1372003120 in words is "one billion, three hundred seventy-two million, three thousand, one hundred twenty".

Divisors: 1 2 4 5 8 10 16 20 40 80 229 458 916 1145 1832 2290 3664 4580 9160 18320 74891 149782 299564 374455 599128 748910 1198256 1497820 2995640 5991280 17150039 34300078 68600156 85750195 137200312 171500390 274400624 343000780 686001560 1372003120