Search a number
-
+
70938045 = 335525467
BaseRepresentation
bin1000011101001…
…10110110111101
311221111000201000
410032212312331
5121130004140
611012240513
71520651313
oct416466675
9157430630
1070938045
1137051892
121b910139
1311909799
1495c80b3
156363a30
hex43a6dbd

70938045 has 16 divisors (see below), whose sum is σ = 126112320. Its totient is φ = 37833552.

The previous prime is 70938037. The next prime is 70938047. The reversal of 70938045 is 54083907.

It is not a de Polignac number, because 70938045 - 23 = 70938037 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70938047) 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, 262599 + ... + 262868.

It is an arithmetic number, because the mean of its divisors is an integer number (7882020).

Almost surely, 270938045 is an apocalyptic number.

It is an amenable number.

70938045 is a deficient number, since it is larger than the sum of its proper divisors (55174275).

70938045 is a wasteful number, since it uses less digits than its factorization.

70938045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 525481 (or 525475 counting only the distinct ones).

The product of its (nonzero) digits is 30240, while the sum is 36.

The square root of 70938045 is about 8422.4726179430. The cubic root of 70938045 is about 413.9612965289.

The spelling of 70938045 in words is "seventy million, nine hundred thirty-eight thousand, forty-five".

Divisors: 1 3 5 9 15 27 45 135 525467 1576401 2627335 4729203 7882005 14187609 23646015 70938045