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70381122 = 2371798573
BaseRepresentation
bin1000011000111…
…10111001000010
311220102201202020
410030132321002
5121004143442
610552302310
71513141530
oct414367102
9156381666
1070381122
1136801419
121b6a1996
1311773146
1494c1150
1562a39ec
hex431ee42

70381122 has 32 divisors (see below), whose sum is σ = 170335872. Its totient is φ = 18925824.

The previous prime is 70381099. The next prime is 70381151. The reversal of 70381122 is 22118307.

It is a junction number, because it is equal to n+sod(n) for n = 70381092 and 70381101.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 48573 + ... + 50000.

It is an arithmetic number, because the mean of its divisors is an integer number (5322996).

Almost surely, 270381122 is an apocalyptic number.

70381122 is an abundant number, since it is smaller than the sum of its proper divisors (99954750).

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

70381122 is a wasteful number, since it uses less digits than its factorization.

70381122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 98602.

The product of its (nonzero) digits is 672, while the sum is 24.

The square root of 70381122 is about 8389.3457432627. The cubic root of 70381122 is about 412.8751349588.

Adding to 70381122 its reverse (22118307), we get a palindrome (92499429).

The spelling of 70381122 in words is "seventy million, three hundred eighty-one thousand, one hundred twenty-two".

Divisors: 1 2 3 6 7 14 17 21 34 42 51 102 119 238 357 714 98573 197146 295719 591438 690011 1380022 1675741 2070033 3351482 4140066 5027223 10054446 11730187 23460374 35190561 70381122