Search a number
-
+
103613997 = 3173165537
BaseRepresentation
bin1100010110100…
…00011000101101
321012222010200110
412023100120231
5203011121442
614140450233
72365463424
oct613203055
9235863613
10103613997
115353a803
122a849979
131860a776
14da922bb
15916a69c
hex62d062d

103613997 has 16 divisors (see below), whose sum is σ = 150999552. Its totient is φ = 62914560.

The previous prime is 103613987. The next prime is 103613999. The reversal of 103613997 is 799316301.

It is not a de Polignac number, because 103613997 - 26 = 103613933 is a prime.

It is a super-3 number, since 3×1036139973 (a number of 25 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (103613999) 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, 31188 + ... + 34349.

It is an arithmetic number, because the mean of its divisors is an integer number (9437472).

Almost surely, 2103613997 is an apocalyptic number.

103613997 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

It is an amenable number.

103613997 is a deficient number, since it is larger than the sum of its proper divisors (47385555).

103613997 is a wasteful number, since it uses less digits than its factorization.

103613997 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65588.

The product of its (nonzero) digits is 30618, while the sum is 39.

The square root of 103613997 is about 10179.0960797116. The cubic root of 103613997 is about 469.6844071179.

The spelling of 103613997 in words is "one hundred three million, six hundred thirteen thousand, nine hundred ninety-seven".

Divisors: 1 3 17 31 51 93 527 1581 65537 196611 1114129 2031647 3342387 6094941 34537999 103613997