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1070857442 = 21928180459
BaseRepresentation
bin111111110100111…
…111110011100010
32202122000012020202
4333310333303202
54143114414232
6254132105202
735352065234
oct7764776342
92678005222
101070857442
114aa520056
1225a765202
13140b19075
14a2314254
156402b162
hex3fd3fce2

1070857442 has 8 divisors (see below), whose sum is σ = 1690827600. Its totient is φ = 507248244.

The previous prime is 1070857439. The next prime is 1070857453. The reversal of 1070857442 is 2447580701.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×10708574422 = 2293471322173566728, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (38), and also a Moran number because the ratio is a prime number: 28180459 = 1070857442 / (1 + 0 + 7 + 0 + 8 + 5 + 7 + 4 + 4 + 2).

It is a junction number, because it is equal to n+sod(n) for n = 1070857396 and 1070857405.

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, 14090192 + ... + 14090267.

It is an arithmetic number, because the mean of its divisors is an integer number (211353450).

Almost surely, 21070857442 is an apocalyptic number.

1070857442 is a deficient number, since it is larger than the sum of its proper divisors (619970158).

1070857442 is a wasteful number, since it uses less digits than its factorization.

1070857442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28180480.

The product of its (nonzero) digits is 62720, while the sum is 38.

The square root of 1070857442 is about 32723.9582263515. The cubic root of 1070857442 is about 1023.0822573905.

The spelling of 1070857442 in words is "one billion, seventy million, eight hundred fifty-seven thousand, four hundred forty-two".

Divisors: 1 2 19 38 28180459 56360918 535428721 1070857442