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1394723948 = 221013452287
BaseRepresentation
bin101001100100001…
…1100110001101100
310121012102022120112
41103020130301230
510324022131243
6350221435152
746363646402
oct12310346154
93535368515
101394723948
11656315822
1232b10bab8
13192c52157
14d333b472
15826a1818
hex5321cc6c

1394723948 has 12 divisors (see below), whose sum is σ = 2464933632. Its totient is φ = 690457200.

The previous prime is 1394723903. The next prime is 1394723969. The reversal of 1394723948 is 8493274931.

It is a super-2 number, since 2×13947239482 = 3890509782249413408, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1394723896 and 1394723905.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1725740 + ... + 1726547.

It is an arithmetic number, because the mean of its divisors is an integer number (205411136).

Almost surely, 21394723948 is an apocalyptic number.

It is an amenable number.

1394723948 is a deficient number, since it is larger than the sum of its proper divisors (1070209684).

1394723948 is a wasteful number, since it uses less digits than its factorization.

1394723948 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3452392 (or 3452390 counting only the distinct ones).

The product of its digits is 1306368, while the sum is 50.

The square root of 1394723948 is about 37346.0031060889. The cubic root of 1394723948 is about 1117.2818727886.

The spelling of 1394723948 in words is "one billion, three hundred ninety-four million, seven hundred twenty-three thousand, nine hundred forty-eight".

Divisors: 1 2 4 101 202 404 3452287 6904574 13809148 348680987 697361974 1394723948