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1376400472 = 23557308887
BaseRepresentation
bin101001000001010…
…0011010001011000
310112220221101111021
41102002203101120
510304324303342
6344325012224
746052132236
oct12202432130
93486841437
101376400472
11646a40057
12324b54074
1318c207b65
14d0b2b956
1580c82567
hex520a3458

1376400472 has 16 divisors (see below), whose sum is σ = 2585392560. Its totient is φ = 686962464.

The previous prime is 1376400457. The next prime is 1376400479. The reversal of 1376400472 is 2740046731.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1376400479) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 149988 + ... + 158899.

It is an arithmetic number, because the mean of its divisors is an integer number (161587035).

Almost surely, 21376400472 is an apocalyptic number.

It is an amenable number.

1376400472 is a deficient number, since it is larger than the sum of its proper divisors (1208992088).

1376400472 is a wasteful number, since it uses less digits than its factorization.

1376400472 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 309450 (or 309446 counting only the distinct ones).

The product of its (nonzero) digits is 28224, while the sum is 34.

The square root of 1376400472 is about 37099.8715900743. The cubic root of 1376400472 is about 1112.3674471032.

The spelling of 1376400472 in words is "one billion, three hundred seventy-six million, four hundred thousand, four hundred seventy-two".

Divisors: 1 2 4 8 557 1114 2228 4456 308887 617774 1235548 2471096 172050059 344100118 688200236 1376400472