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1970022 = 233131049
BaseRepresentation
bin111100000111101100110
310201002100210
413200331212
51001020042
6110120250
722513335
oct7407546
93632323
101970022
11112611a
127b0086
1353c8c2
14393d1c
1528da9c
hex1e0f66

1970022 has 16 divisors (see below), whose sum is σ = 3956400. Its totient is φ = 653952.

The previous prime is 1969997. The next prime is 1970029. The reversal of 1970022 is 2200791.

It is a happy number.

It is an Ulam number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1970029) 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, 1354 + ... + 2402.

It is an arithmetic number, because the mean of its divisors is an integer number (247275).

21970022 is an apocalyptic number.

1970022 is an abundant number, since it is smaller than the sum of its proper divisors (1986378).

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

1970022 is a wasteful number, since it uses less digits than its factorization.

1970022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1367.

The product of its (nonzero) digits is 252, while the sum is 21.

The square root of 1970022 is about 1403.5747219154. The cubic root of 1970022 is about 125.3594347957.

The spelling of 1970022 in words is "one million, nine hundred seventy thousand, twenty-two".

Divisors: 1 2 3 6 313 626 939 1049 1878 2098 3147 6294 328337 656674 985011 1970022