Search a number
-
+
34157893 = 711443609
BaseRepresentation
bin1000001001001…
…1010101000101
32101021101211011
42002103111011
532221023033
63220042221
7563223460
oct202232505
971241734
1034157893
1118310370
12b533371
1370cc693
1447722d7
152eeaccd
hex2093545

34157893 has 8 divisors (see below), whose sum is σ = 42586560. Its totient is φ = 26616480.

The previous prime is 34157891. The next prime is 34157951. The reversal of 34157893 is 39875143.

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

It is not a de Polignac number, because 34157893 - 21 = 34157891 is a prime.

It is a super-3 number, since 3×341578933 (a number of 24 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (34157891) 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, 221728 + ... + 221881.

It is an arithmetic number, because the mean of its divisors is an integer number (5323320).

Almost surely, 234157893 is an apocalyptic number.

It is an amenable number.

34157893 is a deficient number, since it is larger than the sum of its proper divisors (8428667).

34157893 is a wasteful number, since it uses less digits than its factorization.

34157893 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 443627.

The product of its digits is 90720, while the sum is 40.

The square root of 34157893 is about 5844.4754255622. The cubic root of 34157893 is about 324.4618882229.

The spelling of 34157893 in words is "thirty-four million, one hundred fifty-seven thousand, eight hundred ninety-three".

Divisors: 1 7 11 77 443609 3105263 4879699 34157893