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1214357072 = 2475897317
BaseRepresentation
bin100100001100001…
…1001111001010000
310010122000201201212
41020120121321100
54441333411242
6320255515252
742043602425
oct11030317120
93118021655
101214357072
11573522495
1229a828b28
131647802a6
14b73c9d4c
1571924782
hex48619e50

1214357072 has 10 divisors (see below), whose sum is σ = 2352816858. Its totient is φ = 607178528.

The previous prime is 1214357071. The next prime is 1214357087. The reversal of 1214357072 is 2707534121.

It can be written as a sum of positive squares in only one way, i.e., 1074266176 + 140090896 = 32776^2 + 11836^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1214357071) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 37948643 + ... + 37948674.

Almost surely, 21214357072 is an apocalyptic number.

It is an amenable number.

1214357072 is a deficient number, since it is larger than the sum of its proper divisors (1138459786).

1214357072 is an equidigital number, since it uses as much as digits as its factorization.

1214357072 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 75897325 (or 75897319 counting only the distinct ones).

The product of its (nonzero) digits is 11760, while the sum is 32.

The square root of 1214357072 is about 34847.6264901930. The cubic root of 1214357072 is about 1066.8797419823.

The spelling of 1214357072 in words is "one billion, two hundred fourteen million, three hundred fifty-seven thousand, seventy-two".

Divisors: 1 2 4 8 16 75897317 151794634 303589268 607178536 1214357072