Search a number
-
+
124617930 = 23529143239
BaseRepresentation
bin1110110110110…
…00010011001010
322200111020122220
413123120103022
5223400233210
620210554510
73042143403
oct733302312
9280436586
10124617930
1164386328
1235898a36
131ca82b28
141279c9aa
15ae18c70
hex76d84ca

124617930 has 32 divisors (see below), whose sum is σ = 309398400. Its totient is φ = 32085312.

The previous prime is 124617929. The next prime is 124617931. The reversal of 124617930 is 39716421.

It is an interprime number because it is at equal distance from previous prime (124617929) and next prime (124617931).

It is a junction number, because it is equal to n+sod(n) for n = 124617891 and 124617900.

It is not an unprimeable number, because it can be changed into a prime (124617931) 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, 70750 + ... + 72489.

It is an arithmetic number, because the mean of its divisors is an integer number (9668700).

Almost surely, 2124617930 is an apocalyptic number.

124617930 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

124617930 is an abundant number, since it is smaller than the sum of its proper divisors (184780470).

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

124617930 is a wasteful number, since it uses less digits than its factorization.

124617930 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 143278.

The product of its (nonzero) digits is 9072, while the sum is 33.

The square root of 124617930 is about 11163.2401210401. The cubic root of 124617930 is about 499.4900534191.

The spelling of 124617930 in words is "one hundred twenty-four million, six hundred seventeen thousand, nine hundred thirty".

Divisors: 1 2 3 5 6 10 15 29 30 58 87 145 174 290 435 870 143239 286478 429717 716195 859434 1432390 2148585 4153931 4297170 8307862 12461793 20769655 24923586 41539310 62308965 124617930