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1347946972 = 22437979833
BaseRepresentation
bin101000001011000…
…0000100111011100
310110221101210121221
41100112000213130
510230033300342
6341431103124
745255234361
oct12026004734
93427353557
101347946972
11631976569
12317511aa4
13186354a78
14cb042468
157d511a67
hex505809dc

1347946972 has 24 divisors (see below), whose sum is σ = 2417039856. Its totient is φ = 657406848.

The previous prime is 1347946967. The next prime is 1347946979. The reversal of 1347946972 is 2796497431.

It is a super-2 number, since 2×13479469722 = 3633922078647937568, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1347946979) 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, 132168 + ... + 142000.

It is an arithmetic number, because the mean of its divisors is an integer number (100709994).

Almost surely, 21347946972 is an apocalyptic number.

It is an amenable number.

1347946972 is a deficient number, since it is larger than the sum of its proper divisors (1069092884).

1347946972 is a wasteful number, since it uses less digits than its factorization.

1347946972 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10677 (or 10675 counting only the distinct ones).

The product of its digits is 2286144, while the sum is 52.

The square root of 1347946972 is about 36714.3973394634. The cubic root of 1347946972 is about 1104.6489120281.

The spelling of 1347946972 in words is "one billion, three hundred forty-seven million, nine hundred forty-six thousand, nine hundred seventy-two".

Divisors: 1 2 4 43 86 172 797 1594 3188 9833 19666 34271 39332 68542 137084 422819 845638 1691276 7836901 15673802 31347604 336986743 673973486 1347946972