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148707644 = 2237176911
BaseRepresentation
bin10001101110100…
…01100100111100
3101100211010112112
420313101210330
5301032121034
622431153152
73453664661
oct1067214474
9340733475
10148707644
1176a3a288
12419757b8
1324a688b7
1415a6da68
15d0c67ce
hex8dd193c

148707644 has 6 divisors (see below), whose sum is σ = 260238384. Its totient is φ = 74353820.

The previous prime is 148707641. The next prime is 148707649. The reversal of 148707644 is 446707841.

148707644 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×1487076442 = 44227926768061472, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (148707641) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 18588452 + ... + 18588459.

It is an arithmetic number, because the mean of its divisors is an integer number (43373064).

Almost surely, 2148707644 is an apocalyptic number.

It is an amenable number.

148707644 is a deficient number, since it is larger than the sum of its proper divisors (111530740).

148707644 is a wasteful number, since it uses less digits than its factorization.

148707644 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37176915 (or 37176913 counting only the distinct ones).

The product of its (nonzero) digits is 150528, while the sum is 41.

The square root of 148707644 is about 12194.5743673160. The cubic root of 148707644 is about 529.7989554314.

The spelling of 148707644 in words is "one hundred forty-eight million, seven hundred seven thousand, six hundred forty-four".

Divisors: 1 2 4 37176911 74353822 148707644