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1070145690 = 23573488651
BaseRepresentation
bin111111110010010…
…010000010011010
32202120200000220120
4333302102002122
54142424130230
6254104534110
735343042165
oct7762220232
92676600816
101070145690
114aa084329
1225a481336
1314092a103
14a21aaadc
1563e3a310
hex3fc9209a

1070145690 has 32 divisors (see below), whose sum is σ = 2603537856. Its totient is φ = 281462400.

The previous prime is 1070145677. The next prime is 1070145691. The reversal of 1070145690 is 965410701.

1070145690 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×10701456902 = 2290423595651152200, which contains 22 as substring.

It is an alternating number because its digits alternate between odd and even.

It is not an unprimeable number, because it can be changed into a prime (1070145691) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 242136 + ... + 246515.

It is an arithmetic number, because the mean of its divisors is an integer number (81360558).

Almost surely, 21070145690 is an apocalyptic number.

1070145690 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1070145690 is an abundant number, since it is smaller than the sum of its proper divisors (1533392166).

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

1070145690 is a wasteful number, since it uses less digits than its factorization.

1070145690 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 488734.

The product of its (nonzero) digits is 7560, while the sum is 33.

The square root of 1070145690 is about 32713.0813284227. The cubic root of 1070145690 is about 1022.8555411772.

The spelling of 1070145690 in words is "one billion, seventy million, one hundred forty-five thousand, six hundred ninety".

Divisors: 1 2 3 5 6 10 15 30 73 146 219 365 438 730 1095 2190 488651 977302 1465953 2443255 2931906 4886510 7329765 14659530 35671523 71343046 107014569 178357615 214029138 356715230 535072845 1070145690