Search a number
-
+
10157930 = 258811153
BaseRepresentation
bin100110101111…
…111101101010
3201010002001122
4212233331222
510100023210
61001415242
7152224646
oct46577552
921102048
1010157930
115808892
12349a522
132148713
1414c5c26
15d59b55
hex9aff6a

10157930 has 16 divisors (see below), whose sum is σ = 18320904. Its totient is φ = 4055040.

The previous prime is 10157897. The next prime is 10157941. The reversal of 10157930 is 3975101.

It can be written as a sum of positive squares in 4 ways, for example, as 7946761 + 2211169 = 2819^2 + 1487^2 .

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 10157930.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8234 + ... + 9386.

Almost surely, 210157930 is an apocalyptic number.

10157930 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

10157930 is a deficient number, since it is larger than the sum of its proper divisors (8162974).

10157930 is a wasteful number, since it uses less digits than its factorization.

10157930 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2041.

The product of its (nonzero) digits is 945, while the sum is 26.

The square root of 10157930 is about 3187.1507651820. The cubic root of 10157930 is about 216.5717164498.

The spelling of 10157930 in words is "ten million, one hundred fifty-seven thousand, nine hundred thirty".

Divisors: 1 2 5 10 881 1153 1762 2306 4405 5765 8810 11530 1015793 2031586 5078965 10157930