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1069842072 = 233133428981
BaseRepresentation
bin111111110001000…
…111111010011000
32202120002121102110
4333301013322120
54142334421242
6254054232320
735340336045
oct7761077230
92676077373
101069842072
114a9997202
1225a3556a0
13140851b60
14a212c1cc
1563dca39c
hex3fc47e98

1069842072 has 32 divisors (see below), whose sum is σ = 2880344880. Its totient is φ = 329182080.

The previous prime is 1069842071. The next prime is 1069842073. The reversal of 1069842072 is 2702489601.

It is an interprime number because it is at equal distance from previous prime (1069842071) and next prime (1069842073).

It is a super-2 number, since 2×10698420722 = 2289124118042506368, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a self number, because there is not a number n which added to its sum of digits gives 1069842072.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1069842071) 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, 1714179 + ... + 1714802.

Almost surely, 21069842072 is an apocalyptic number.

1069842072 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1069842072 is an abundant number, since it is smaller than the sum of its proper divisors (1810502808).

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

1069842072 is a wasteful number, since it uses less digits than its factorization.

1069842072 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3429003 (or 3428999 counting only the distinct ones).

The product of its (nonzero) digits is 48384, while the sum is 39.

The square root of 1069842072 is about 32708.4403785934. The cubic root of 1069842072 is about 1022.7587983595.

The spelling of 1069842072 in words is "one billion, sixty-nine million, eight hundred forty-two thousand, seventy-two".

Divisors: 1 2 3 4 6 8 12 13 24 26 39 52 78 104 156 312 3428981 6857962 10286943 13715924 20573886 27431848 41147772 44576753 82295544 89153506 133730259 178307012 267460518 356614024 534921036 1069842072